Butter Sponge Cake
["11 egg yolks", "2 c. sugar", "1 c. scalded milk", "1 tsp. vanilla", "2 1/4 c. flour, sifted", "2 tsp. baking powder", "1/2 c. butter or margarine"]
["Beat egg yolks and sugar until fluffy; add scalded milk and vanilla, beating constantly.", "Add flour and baking powder. Fold in melted butter or margarine.", "Batter will be very thin. Pour into 3 (9-inch) well-greased", "layer", "pans.", "Bake", "at 350\u00b0 for 30 to 40 minutes.", "Ice cake with your favorite frosting."]
["egg yolks", "sugar", "milk", "vanilla", "flour", "baking powder", "butter"]