1¼ teaspoons Calumet Baking Powder
¼ teaspoon salt
1 cup sugar
1 tablespoon grated orange rind
2 eggs and 1 egg yolk
¼ cup orange juice
¼ cup water
Sift flour once, measure, add baking powder and salt, and sift together three times. Add ½ cup sugar and orange rind to eggs, and beat with rotary egg beater until thick and lemon-colored; add remaining sugar gradually, beating very thoroughly; then add orange juice and water. Add flour gradually, beating with rotary egg beater until smooth. Bake in ungreased tube pan, in moderate oven (350°F.) 55 minutes, or until done. Remove from oven and invert pan 1 hour, or until cold.
Chocolate Sponge Layer Cake
(4 eggs)
1¼ cups sifted Swans Down Cake Flour