2 c. all-purpose flour
2 tsp. baking powder
1/4 tsp. salt
5 egg yolks
5 egg whites
1 7/8 c. sugar
1/2 c. water
1/2 c. orange juice
1 tbsp. grated orange rind

Sift flour, baking powder and salt together 4 times. Beat egg yolks. Add sugar gradually and beat until thick enough to hold a soft peak. Add water gradually and beat thoroughly.

Combine orange rind and juice. Fold in sifted dry ingredients and orange juice alternately in small amounts. Beat egg whites until stiff but not dry. Fold into batter.

Pour into ungreased tube pan. Cut through batter with spatula to remove large air bubbles. Bake in moderate oven (350 degrees) 50-60 minutes. Invert pan and let cake hang in pan to cool. Makes 1 (10 inch) cake. Frost with Orange Butter Frosting.