Economical Gold Cake
["2 c. sifted Swans Down cake flour", "2 tsp. Calumet baking powder", "1/2 c. butter or shortening", "1 c. sugar", "3 egg yolks, beaten until thick and lemon color", "3/4 c. milk", "1 tsp. vanilla or 1/2 tsp. orange extract"]
["Sift flour once.", "Measure and add baking powder and sift together 3 times.", "Cream butter thoroughly. Add sugar gradually and cream together until light and fluffy.", "Add egg yolks and beat well.", "Add flour alternately, a small amount at a time.", "Add flavoring.", "Beat well.", "Bake in greased pan 8 x 8 x 2-inch in 350\u00b0 oven for 50 minutes or until done.", "Frost with your choice.", "For a large cake, double recipe."]
["flour", "baking powder", "butter", "sugar", "egg yolks", "milk", "vanilla"]