Cake Donuts
["2 Tbsp. butter", "1 c. cold mashed potatoes", "1 1/2 c. sugar", "3 beaten eggs", "1 c. milk", "1 tsp. nutmeg", "1 tsp. vanilla", "3 heaping tsp. baking powder", "3 c. flour"]
["Cream butter, potatoes and sugar.", "Add eggs, milk, nutmeg and vanilla.", "Sift baking powder with flour.", "Stir in mixture and add more flour to make a soft dough.", "Roll 1/4-inch thick; cut and deep-fry.", "Drain on paper towels.", "Roll in confectioners sugar."]
["butter", "cold mashed potatoes", "sugar", "eggs", "milk", "nutmeg", "vanilla", "baking powder", "flour"]