Fluffy Potato Doughnuts
["3 eggs", "1 1/3 c. sugar", "1/2 tsp. vanilla", "1 c. cooled, mashed potatoes", "2 Tbsp. melted shortening or oil", "4 c. flour", "6 tsp. baking powder", "2 tsp. nutmeg", "1 tsp. salt", "1/2 c. milk"]
["Beat until light eggs, sugar and vanilla.", "Add potatoes and shortening; set aside.", "Sift dry ingredients together, then add alternately with milk to potato mixture, beating well.", "Chill dough 3 hours (if desired).", "Roll to 3/8-inch thickness."]
["eggs", "sugar", "vanilla", "potatoes", "shortening", "flour", "baking powder", "nutmeg", "salt", "milk"]