Papa Seca (preserved dried potatoes) is another ancient method of preserving potatoes produces the papas seca. To do it, potatoes are first cooked in boiling water, drained, peeled, and cut in medium dices or thin sticks. Then these pieces are sun-dried until they lose all their moisture and look like small crystals. After this process, they are ready to be stored for a very long time (more than a year).
Papa seca is most commonly found in the stew Carapulcra.