Two-thirds of a cup of cooled and mashed potato, refrigerated (do not add liquid or seasonings to the potato)
One-half cup of peanut butter
Four cups of confectioner's sugar sifted
Two-thirds of a cup of cooled and mashed potato, refrigerated (do not add liquid or seasonings to the potato)
One-half cup of peanut butter
Four cups of confectioner's sugar sifted
Grease a 20x20x5 cm square mold
Mix the potato with the peanut butter
Gradually add the confectioner's sugar, mixing very well
Let it rest at room temperature until firm
Cut into squares.