Butter Sponge Cake
Sifted cake flour
Butter or margarine
Sift together flour and baking powder. Heat milk and butter till
butter melts; keep hot. Beat egg yolks till thick and lemon-colored;
gradually add sugar, beating constantly. Add vanilla. Add flour
mixture; stir just till mixed. Gently stir in the hot milk mixture.
Bake in greased and floured 9x9x2-inch pan at 350 degrees for 30 to
35 minutes. Don't invert; cool in pan.