Sweet Potato Cake
["1 1/2 cups cooling oil", "2 cups sugar", "4 eggs, separated", "4 Tbsp. hot water", "2 1/2 cups self rising flour", "1 1/2 tsp. baking powder", "2 tsp. apple pie spice", "1/4 tsp. salt", "1 1/2 cups raw grated sweet potatoes", "1 cup chopped nuts", "1 tsp. vanilla"]
["Combine oil and sugar.", "Beat until smooth.", "Add egg yolks and beat well.", "Add hot water, then dry ingredients which have been sifted together.", "Stir in potatoes, nuts and vanilla.", "Beat well. Beat egg whites until stiff and fold into mixture.", "Bake at 350 degrees for 25-30 minutes", "in", "three 9 inch pans.", "Cool."]
["cooling oil", "sugar", "eggs", "water", "flour", "baking powder", "apple pie spice", "salt", "grated sweet potatoes", "nuts", "vanilla"]