Mashed Potato Candy
["1/2 c. mashed potatoes", "1/2 tsp. salt", "1 tsp. lemon juice", "4 c. powdered sugar"]
["Mix until doughlike and can be rolled.", "Roll 1/2-inch thick; roll it out using powdered sugar instead of flour.", "Spread peanut butter on dough and slice."]
["potatoes", "salt", "lemon juice", "powdered sugar"]