Beat up one egg in bowl with fork. Add sugar and mix well. Add approximately 1 1/4 cups Bisquick, beat with whip. Add approximately 1/4 cup vegetable oil, add milk until batter is the consistency of cake batter. Add vanilla.

Bake at 375°F until cake comes away from sides of pan. Icing is optional. Cool thoroughly before icing.

Makes one small layer cake.