Potatoes are a food item found in Stranded Deep. They can be obtained from Potato Plants.
Potatoes can be farmed using a farming plot. Each plot can only hold one potato plant, and will yield 1 potato once ripe. It takes 4 stages of growth for a potato plant to grow into it's fully mature stage.
Aside from eating, potatoes are also used for refilling Jerrycans by converting them into fuel in a Fuel Still. 4 potatoes are needed to fill a jerrycan. Can be eaten for 2 food bars.
Potatoes are incredibly valuable towards the endgame since they provide a renewable source of fuel for the boat motor and gyrocopter, as well as providing the necessary fuel for the aircraft.