Turning raw crops and animal products into artisan goods in Stardew Valley typically increases their sell value. That mostly holds true for truffle oil, which can be made by putting truffles into an oil maker. Truffle oil is worth a good amount of money, and it doesn't take that long to process either. Here's how to make truffle oil in Stardew Valley.

How to make Truffle Oil

Truffle oil is made by processing truffles by using an oil maker. To get truffles you will need to have pigs. The short version is that you will need to build a barn, upgrade the barn to a deluxe barn, buy a pig from Marnie's Ranch, and let it loose on your farm to dig for truffles.

Once you are routinely getting truffles from your pigs, you can build oil makers to process them. Oil makers can be crafted at farming level 8 using 50 slime, 20 hardwood, and one gold bar. Placing a truffle in the oil maker will convert it into truffle oil in six hours, so you can process multiple truffles in a single day.

If you choose the Artisan profession at level 10, which gives all artisan goods a 40% increase in price when you sell them, truffle oil is worth more than a truffle of any quality. That means you can turn any truffle you find into truffle oil without worrying that it isn't worth doing. If you did not pick Artisan, Iridium quality truffles are worth more than truffle oil. Without the boost, Iridium truffles are worth 1,250G and truffle oil is only worth 1,065G. With the boost, truffle oil is worth 1,491G.

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