Orange Sponge Cake

Take 4 eggs, 1 c. granulated sugar, 3/4 c. flour, 2 Tb. orange juice, 1/2 tsp. orange extract. Beat the eggs with a rotary beater until they are light and lemon-colored. Add the granulated sugar gradually. Sift into this the flour, and continue the beating until all are mixed. Add the orange juice and extract, pour into a sponge-cake pan, and bake.