INGREDIENTS 6 cups powdered sugar 1/2 cup butter 1/2 cup peanut butter 1/2 cup mashed potatoes 1 tablespoon vanilla extract
In a large bowl, mix together the mashed potatoes, butter, and powdered sugar to form dough then stir in vanilla.
Refrigerate the dough for 1 hour, then split in half and roll each half into a rectangle. Spread the top with peanut butter.
Roll into a log then slice into 1/2" pieces to serve. Refrigerate leftovers for up to 1 week.