5 egg yolks and 7 egg whites
1 1/2 c. sugar
1/2 c. oil
3/4 c. cold water
2 1/4 c. cake flour
3 tsp. baking powder
1 tsp. salt
2 tsp. vanilla
Grated lemon peel

Mix all ingredients together except egg whites. To egg whites add 1/2 teaspoon cream of tartar. Beat until fluffy and fold into yolk mixture, very carefully. Bake at 300 degrees for 55 minutes.