Ultimate Truffle Oil Guide — Stardew Valley (Earn More from Truffles)
This guide walks you step-by-step through getting consistent truffle income, converting truffles into truffle oil, and squeezing the most gold from every artisan product. It covers everything from the earliest pig purchase to the best barn layout, how many Oil Makers to run, seasonal tips, artisan value math, gifting and quest considerations, and a full FAQ. Wherever you see bold or italicized terms, it highlights things you’ll want to remember in-game.
Quick at-a-glance plan
Get pigs as soon as you can afford them and meet the requirements.
Feed and shelter pigs properly so they produce truffles consistently.
Build and deploy Oil Makers to process truffles into truffle oil.
Upgrade and scale according to demand, space, and profit margins.
Optimize selling, preserving, and gifting strategy for maximum returns.
Why turn truffles into truffle oil
Truffles already sell for a decent price, but turning them into truffle oil multiplies their value because truffle oil is an artisan good. Artisan goods receive a significant value multiplier compared to raw items, and truffle oil benefits from:
A reliable, higher base sale price than raw truffles
Compatibility with preservations (e.g., kegs and shipping strategies) and gifting cycles
Ability to benefit from profits-increasing bonuses (like professions, farm buildings, and quality)
Throughout this guide, you’ll learn how to make truffle oil efficiently and the smart choices that maximize per-hour and per-day gold.
What you need (overview)
A barn upgraded to house pigs (Big Barn minimum; Deluxe Barn not required for pigs but useful for space).
Enough money to buy pigs (and buy multiples for scaling).
One or more Oil Makers (craft or buy).
Time and attention to keep pigs outside on grassy tiles so they can find truffles.
Optional: Shipping bin optimization, profession selection, and farm layout for scale.
How truffles work (game mechanics you must know)
Only pigs can find truffles. Other animals do not.
Pigs must be outside on grass tiles to search for truffles. They will not truffle indoors, on paved tiles, or on tilled soil.
Pigs find truffles once per day if they are outside and happy (with some RNG).
Each pig that goes outside daily has a chance to find a truffle; more pigs = more truffles, but returns are subject to RNG.
Truffles can be sold raw or processed into truffle oil using an Oil Maker.
Truffle oil sells for substantially more than raw truffles and benefits from artisan sale bonuses and profession perks.
Early-game strategy: When to start producing truffle oil
Unlock timeline: Pigs are available once you build a Big Barn (requires Carpenter services). You’ll need 12,500g and wood/stone to build the Big Barn.
Crafting Oil Makers: The Oil Maker recipe becomes available at Farming level 8. If you hit Farming 8 early, craft at least one Oil Maker before buying multiple pigs so you’re ready to process truffles immediately.
Money balancing: If you can afford to buy 2–3 pigs and an Oil Maker early, you’ll generate steady artisan income. If funds are tight, buy one pig first and scale later.
Choosing pigs: how many and why
Start small: 1–3 pigs for early-game stability.
Mid-game: 4–8 pigs is a strong balance between space and consistent truffle supply.
Late-game/large scale: 10–20+ pigs if you have space, workers, and multiple Oil Makers to process truffles daily.
Why not just buy a dozen immediately? Because pigs require space, time outside, and investment in Oil Makers and processing. Start with a few to establish habit and infrastructure, then scale.
Barn setup and pig care
Keep pigs in a Big Barn or Deluxe Barn. Only barns with pigs allow truffles.
Place fences and gates so pigs can easily roam on grass. Open gates and leave them outside daily in the morning to maximize truffle-finding opportunities.
Let pigs graze every day. If they are inside, they won’t find truffles. Keep an eye out for inclement weather—on storms or festivals, your animals don’t go outside.
Upgrade your barn to include an automatic gate or path for easier management. Consider a designated grass paddock with high grass density.
Pro tip: Keep a grass starter system (seed the ground with grass and let it regrow with sprinklers off) or use grass starters to ensure pigs always have grass to munch on—this helps keep them happy and outside longer.
Oil Makers: crafting, placement, and throughput
Oil Maker materials: 50 Stone, 20 Hardwood, 1 Gold Bar, and 1 Battery Pack (materials may vary by platform/patch; check your game if unsure). You must reach Farming level 8 to get the crafting recipe.
Processing time: An Oil Maker takes a set number of in-game hours to process a truffle into truffle oil (generally around 2 in-game days for some artisan processes; check current version for exact timing). Plan to have enough Oil Makers so raw truffles aren’t piling up.
Placement: Put Oil Makers close to your barn or a centralized processing area to minimize daily walking and management time. A single row with a chest at the end for output is efficient.
Scaling: Each Oil Maker can only process one truffle at a time—so if you average 3–4 truffles per day, run 3–4 Oil Makers to keep pace and avoid backlogs.
Workflow: daily routine for maximum efficiency
Morning: Let pigs out immediately; ensure gates are open and grass access is clear.
Check barn happiness and pet/purchase any needed supplies.
Collect truffles late morning/early afternoon when pigs have had a chance to root around.
Process truffles in Oil Makers immediately; place raw truffles in Oil Makers to start the processing timer.
Place finished truffle oil in a chest for quick sale or gifting later.
At night, herd animals back in if you prefer them sheltered overnight (not strictly necessary for truffle production, but helpful for management).
Consistency is key: the more days your pigs can go outside, the more dependable your truffle supply will be.
Calculating profit: raw truffle vs truffle oil
Raw truffle value: A base truffle sells for a decent price, but as a raw item it lacks the artisan multiplier.
Truffle oil value: When you process a truffle into truffle oil using an Oil Maker, its sale price increases significantly. The final sale price is also affected by any artisan skill professions you’ve chosen, Star-quality multipliers, and other bonuses.
Example math (rounded for clarity):
Raw truffle base sell value: Xg.
Truffle oil base sell value: ~3–4× raw value (depending on game version and profession). Because numeric values can change with patches and mods, check your current in-game sell prices and recalculate for your save. The principle remains: processing into truffle oil is more profitable.
Gifting and quests: smart uses for truffle oil
Gifts: Truffle oil is an excellent gift for many villagers who appreciate artisan goods (check favorites in your social lists). Use truffle oil selectively for high-value relationships.
Quests: Community board and villager requests sometimes ask for artisan goods. Keep a few bottles of truffle oil in reserve to fulfill requests or help with bundles.
Avoid selling everything: Save a small stock for gifting and bundles to avoid hampering social progression.
Maximizing profit with professions and buffs
Farming profession: Choose the profession path that enhances artisan values or increases processing speed if available. Profession choices made at level milestones can significantly affect value.
Keg and processing bonuses: While truffle oil is made in Oil Makers (not kegs), other artisan goods benefit similarly from profession choices that raise artisan good sale prices.
Food buffs: Certain cooked dishes temporarily increase energy and speed, helping you manage more animals and processing tasks in a single day.
Golden quality and tappers: While truffles themselves have no quality tiers, artisan goods can sometimes be influenced by quality-increasing mechanics. Focus on increasing volume and processing rather than chasing quality for truffles.
Scaling up: when and how to expand
Space: Expand your barn or build more barns/pens to increase the number of pigs. Consider using coops for other income streams so space is optimized.
Automation: Build a centralized processing zone with multiple Oil Makers, chests for input/output, and paths so you can check everything in one pass.
Inventory management: Use chests and automated sorting (mods or fourth-wall techniques like placing labels and organized stacks) to keep raw truffles from clogging your inventory.
Workforce: If you’re playing with help (multiplayer), assign one player to animal care and one to crop/processing to maximize efficiency.
Best timings and seasonal strategy
Pigs work year-round as long as they can go outside, but festivals or storms can interrupt outdoor days. Plan pig purchases around seasons when you’ll be playing daily.
If you plan long absences, let a trusted farmhand or co-op partner manage animals, or switch to less time-sensitive income streams during downtime.
Consider building multiple Oil Makers before major gameplay sessions (minimizes management time during busy seasons).
Layout ideas for a truffle-production farm
Minimalist layout: Barn with an adjacent fenced grass paddock; Oil Maker placed just outside with a chest for outputs. Easy to manage and compact.
Centralized processing hub: Barns and coops browse to a single production building surrounded by 6–10 Oil Makers and storage chests; ideal for mid–late game.
Aesthetic farm: Combine decorative fencing, signage, and walkways with production areas—keeps the farm tidy and enjoyable while remaining efficient.
Practical layout tip: Place Oil Makers on the path between your barn and chests. One daily loop will let you collect truffles, load Oil Makers, and retrieve finished truffle oil.
Handling RNG: smoothing out inconsistent days
Add more pigs: Because truffle finding is probabilistic, more pigs reduce variance.
Track averages: Record how many truffles your herd finds over a week; plan Oil Maker capacity around the weekly average rather than daily peaks.
Build buffer stock: Keep a reserve of truffle oil to smooth income across slow days. Sell in batches for better psychological and bank management.
Multiplayer specifics
Shared barns: In co-op, coordinate who buys and cares for pigs. Balance contributions so truffle ownership and revenue sharing are fair.
Processing duty: Assign one player to maintain Oil Makers and chests for efficient processing.
Trading: Use the multiplayer trading or chest-sharing features to move raw truffles to specialists who handle processing.
Mods and quality-of-life tools (optional)
Inventory mods and automation mods can help manage large truffle runs and routing. If you use mods, ensure they don’t break save compatibility.
UI mods that show processing times and machine outputs can speed up the micro-management of many Oil Makers.
Troubleshooting common issues
Pigs not finding truffles: Ensure they are outside on grass tiles and that the gate is open. Check for weather or festival days that keep them in.
Oil Maker backlog: If raw truffles pile up, craft more Oil Makers or schedule daily processing times to prevent inventory overflow.
Low pig happiness: Feed animals, repair fences, and pet them daily to keep them content and productive.
Advanced tactics to eke out extra gold
Profession stacking: If you have professions that increase artisan goods value or the sale price of animal products, prioritize those as they directly increase truffle oil returns.
Sell in winter strategy: Since some crops aren’t available in winter, your truffle oil sales can be particularly lucrative—stockpile and sell during seasonal low-supply windows for a steadier stream of high-profit income.
Bundle timing: Use truffle oil strategically in Community Center or Joja bundles when requested to avoid losing out on both relationships and profit.
Sample build orders and timelines
Conservative beginner timeline:
Year 1 Spring: Focus on crops to build capital.
Year 1 Summer: Save and upgrade to Big Barn.
Year 1 Fall: Purchase 1–2 pigs and an Oil Maker when you hit Farming 8.
Year 2: Expand pig herd, add Oil Makers, create processing hub.
Aggressive timeline (for experienced players):
Year 1: Rush Farming to 8, get Big Barn as early as possible, buy 3–5 pigs, craft 3 Oil Makers, and begin artisan processing by mid-year.
Choose the timeline that fits your playstyle: steady or aggressive.
Common mistakes to avoid
Buying too many pigs before building sufficient Oil Makers, leading to inventory pile-ups.
Leaving pigs inside overnight every day—reduces their truffle-finding opportunities.
Selling all truffle oil at once without reserving items for gifting and quest needs.
Inventory and sale optimization
Group truffle oil in chests by production date if you plan to sell in batches.
If consolidating for sale, move truffle oil to your shipping bin at optimal times rather than late at night to ensure everything sells at once.
Use banker/trader interactions (if any) wisely to convert artisan goods when prices and needs align.
FAQ
How many pigs should I have to get truffles regularly?
Start with 2–4 pigs to get a consistent trickle of truffles. Scale to 6–12 or more to reduce variance and increase daily outputs. The more pigs you own, the smoother your truffle supply will be.
Do pigs need to be fed specific food to find truffles?
No. Pigs just need to be outside on grass tiles and generally happy. Feeding them is part of animal care but doesn’t change the probability formula for truffle discovery directly.
Can truffles be found in winter?
Yes. Pigs can still find truffles in winter provided they are allowed outdoors on grass. However, snow and seasonal obstacles can sometimes affect accessibility; plan layout accordingly.
How many Oil Makers do I need?
Match Oil Makers to your average daily truffle yield. If you average 4 truffles per day, aim for 4 Oil Makers so processing keeps pace. For buffer and smoothing, add 1–2 extra Oil Makers.
Are there professions that increase truffle oil profits?
Yes. Certain Farming professions increase artisan good sale values. Choose the profession path that boosts artisan prices or processing efficiency to maximize returns.
Is truffle oil better sold or used in bundles and gifts?
Both. Sell the majority for gold, but reserve a handful for gifts and community requests. Using a few for social progression is often worth the long-term friendship and quest benefits.
What’s the most efficient layout for a truffle farm?
A barn adjacent to a fenced grass paddock with an Oil Maker line nearby for processing and chests for input/output is highly efficient. Keep distances short between production and storage.
Do pigs stop finding truffles if I upgrade my barn?
No. Barn upgrades do not prevent truffle finding. They allow more animals and additional features. Ensure pigs remain outside to forage.
Can I automate truffle oil production?
In vanilla Stardew Valley, there’s no true automation for Oil Makers beyond player interactions. Mods can add automation if desired, but check mod compatibility.
One-Page Cheat Sheet — Truffle Oil Production
Goal Build a reliable truffle-to-truffle oil pipeline you can run in ~5 minutes a day
Minimum requirements
Big Barn (required to house pigs) — build before buying pigs
Pigs — buy at Marnie’s; start with 2–4 then scale
Oil Makers — craft once you reach Farming level 8; match count to average daily truffle yield
Recommended starter counts
Pigs: 3 (good early balance)
Oil Makers: 4 (covers mild daily variance)
Storage chests: 2 (one for raw truffles; one for finished truffle oil)
Crafting recipe Oil Maker
50 Stone
20 Hardwood
1 Gold Bar
1 Battery Pack
Building cost estimate
Big Barn: 12,500g; 350 Wood; 150 Stone
Deluxe Barn (later expansion): 25,000g; 450 Wood; 200 Stone
Daily consumables and maintenance
Grass: ensure outside paddock has regrowing grass or a buffer of Grass Starters to keep pigs grazing
Pet: pet pigs daily to maintain happiness
Chest capacity: 1 stack capacity per chest is usually fine for early game
Throughput planning
Average truffles per pig per week varies with RNG; plan Oil Makers using weekly average rather than daily spikes
Rule of thumb: 1 Oil Maker per ~1 expected daily truffle; add 1–2 for buffer
Quick morning checklist
Open barn gate and ensure pigs are outside on grass
Collect truffles, load Oil Makers, move finished truffle oil to sale chest
Pet animals and repair fences if needed
Sell / reserve guideline
Sell 80% of daily finished truffle oil for income
Reserve 20% for gifting, bundles, and festival requests
Condensed 30-Day Morning Routine After Getting Pigs
Use this routine each in-game morning (takes ~5–7 minutes once set up). Adjust numbers if you have more pigs or Oil Makers.
Day 0 Setup
Build or confirm Big Barn is finished
Buy 3 pigs and place them in a fenced grass paddock
Craft and place 4 Oil Makers near barn with two chests (input/output)
Daily Steps (repeat Days 1–30)
Open gate and let pigs out immediately (day start)
Walk the paddock and check for truffles — collect everything you find
Place raw truffles into empty Oil Makers (top-to-bottom or left-to-right order)
Move finished bottles of truffle oil from Oil Makers into the output chest
Pet each pig (tap them once) to keep happiness up
Repair or clear any obstacles in the paddock (fallen trees, snow piles, broken fences)
If chest is full, transfer excess truffle oil to a nearby storage chest or inventory for selling later
Close gate at night only if you want pigs sheltered; otherwise leaving them out increases foraging days
Weekly add-ons (do once every 7 days)
Check grass density; plant Grass Starters if needed to keep pasture regrowth steady
Clean up any stray felled trees or stone blocking movement paths
Re-evaluate Oil Maker queue and craft an additional unit if raw truffles are piling up
Tips for the 30-day stretch
Prioritize letting pigs outside every day; missing days reduce output quickly
Keep a 2–3 day buffer of finished truffle oil stacked in chest to cover slow RNG periods
If you plan to be offline or away, tell a co-op partner or temporarily reduce expectations — pigs will not forage if you do not open the gate
Tile-by-Tile Sample Farm Layout You Can Copy Into Your Save
Layout assumes standard Stardew Valley farm tile grid. Origin point is the barn front door. All tiles listed relative to barn door facing south (adjust orientation to suit your map). Use a 9x11 paddock and a 1x4 Oil Maker processing line.
Legend
B = Barn entrance (reference origin)
. = empty walkable tile
F = Fence tile
G = Grass tile (keep un-tilled)
O = Oil Maker
C = Chest
P = Pig spawn inside barn (for reference)
Gate = Gate tile (placed in fence)
Layout Grid (rows shown north to south; each row is 11 tiles wide)
Row 1: F F F F F F F F F F F
Row 2: F G G G G G G G G G F
Row 3: F G G G G G G G G G F
Row 4: F G G G G G G G G G F
Row 5: F G G G G G G G G G F
Row 6: F G G G G G G G G G F
Row 7: F G G G G G G G G G F
Row 8: F G G G G G G G G G F
Row 9: F F F F F F F F F F F
Where to place special tiles
Put Gate on Row 1, Column 6 (center of north fence) for easy access
Place Barn door immediately adjacent to Row 9, Column 6 (south side) so pigs can walk in/out naturally
Outside paddock, create a 1x5 processing path directly south of the barn:
Directly south of barn door place tiles: . O O O O C
O = Oil Maker (4 units) left-to-right
C = Output chest at the end of the line
Sample coordinate mapping (if your map editor shows coordinates)
Barn door at (X, Y) — paddock spans from (X -5, Y -9) to (X +5, Y -1)
Processing path from (X -2, Y +1) to (X +3, Y +1) with Oil Makers occupying (X -2..X +1) and chest at (X +2)
Management details for this layout
The central gate gives quick daily access — open in the morning, close at night if you prefer
Oil Makers are one short walk south of the barn so one loop collects truffles and services machines quickly
Keep extra storage chests to the east or west of processing line for overflow — label chest for raw truffles and finished truffle oil
Expansion notes
To add more pigs, extend paddock east-west and add extra fence rows maintaining the center gate
To scale Oil Maker capacity, extend the processing line left-to-right; place an input chest on the first tile for bulk loading
7-Day Starter Checklist — Truffle Oil First Week (pin to your monitor)
Day 0 — Setup (do this once before Day 1)
Build Big Barn and confirm its door faces an open area you control
Buy 3 pigs from Marnie’s and place them in the barn
Craft 4 Oil Makers (50 Stone; 20 Hardwood; 1 Gold Bar; 1 Battery Pack each) and place them near the barn door
Place Chest A next to Oil Makers for raw truffle input and Chest B for finished truffle oil output
Fence a 9x7 grass paddock directly outside the barn; place a Gate centered on the north fence
Day 1 — First morning loop (5–7 minutes)
Open gate first thing; let pigs out onto grass
Walk paddock; collect any truffles found and place them in Chest A
Load up to 4 raw truffles into Oil Makers (left-to-right)
Pet each pig once; repair any broken fence tiles
Move any finished truffle oil from Oil Makers to Chest B
Close gate at night only if you prefer to shelter animals
Day 2 — Stabilize routine
Open gate immediately; do a quick visual check for obstacles (rocks, saplings, snow)
Collect truffles; load Oil Makers; move finished bottles to Chest B
If chest Chest B > 20 bottles, move extras to a secondary storage chest to avoid overflow
Pet pigs and confirm grass coverage in paddock (plant Grass Starters if grass looks sparse)
Note truffle count for the day in a small notebook or save file comment
Day 3 — Buffer and processing
Morning loop: open gate → collect → process → pet → repair
If daily truffle count ≤ number of Oil Makers, craft + place 1 extra Oil Maker to avoid backlog next days
Top up Grass Starters in any half-bare patches so pigs always have forage
Keep 3 finished truffle oil aside for gifting/community needs; sell the rest
Day 4 — Check happiness & uptime
Open gate and confirm pigs leave barn each morning (they must be outside to find truffles)
Pet every pig and check mood icons—if unhappy, inspect food/space/fence issues
Clear any festival or weather-blocking items near paddock paths that might prevent daily outings
Load Oil Makers and empty outputs into Chest B; label chests if you use signs/mods
Day 5 — Weekly maintenance (longer loop, ~10 minutes)
Open gate → collect truffles → load Oil Makers → pet pigs
Check fences and repair every fence post in paddock
Sweep away debris (rocks, branches) and replant grass where needed with Grass Starters
Make one extra Oil Maker if Chest A has consistent overflow
Move 2–4 bottles of truffle oil to a separate chest reserved for gifts/quests
Day 6 — Scale check & inventory
Morning loop: open gate → collect → process → pet
Count total truffles found this week and calculate average per day (quick tally)
If weekly average > 3 per day per Oil Maker, add Oil Makers until average raw truffles ≤ number of Oil Makers
Rebalance storage: ensure at least 1 empty stack slot in Chest B each morning
Day 7 — Review and plan
Open gate and perform the full morning routine as standard
Review your 7-day log: total truffles, Oil Maker utilization, pig happiness trends
Decide: keep herd size (3 pigs) or add +2 pigs if you have consistent daily forage and spare Oil Maker capacity
Reserve at least 6 bottles of truffle oil for social progression (gifting, bundles, or requests) before selling bulk
Set a recurring weekly reminder in-game planner or personal calendar to perform the weekly maintenance loop
Quick reference (pin-sized)
Morning routine (do every day): Open gate → Collect truffles → Load Oil Makers → Pet pigs → Move finished truffle oil to Chest B.
Keep buffer: 1–2 extra Oil Makers; 1 secondary storage chest; 3–6 reserved bottles for gifts.
Main goals this week: establish consistent daily outside time for pigs, eliminate obstacles, and match Oil Maker count to average daily truffles.
Good luck — run this loop every morning and you’ll have a steady flow of truffle oil by the end of the week.
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