Potato Candy from Ohio

Ingredients

• 1.5 tablespoons butter 
• 2 pound confectioners' sugar 
• 3 tablespoons confectioners' sugar or as needed
• 18 ounce creamy peanut butter 
• 0.5 cup potatoes with butter, salt, and milk) leftover prepared mashed
• 1 tablespoon vanilla extract 

Equipment

• bowl
• microwave
• rolling pin

Directions

1. Combine confectioners' sugar, mashed potatoes, butter, and vanilla extract in a large bowl until a thick dough forms. Refrigerate dough until chilled, about 30 minutes. Stir extra confectioners' sugar into dough if too moist.
2. Spread a large sheet of waxed paper on the counter.
3. Sprinkle with confectioners' sugar.
4. Dust rolling pin with confectioners' sugar.
5. Roll chilled dough on prepared waxed paper into a 1/4-inch thick rectangle.
6. Spoon peanut butter into a microwave-safe bowl.
7. Heat in microwave on High until slightly softened, 20 to 30 seconds.
8. Spread softened peanut butter onto dough.
9. Roll dough, starting from long end, into a jelly roll shape.
10. Wrap the roll in waxed paper and refrigerate until firm, about 2 hours. Slice into 1/4-inch slices.