8 eggs, separated
1/4 c. lemon juice
1/4 c. orange juice
1 1/2 c. sugar
1 1/2 c. flour
1 1/2 tsp. cream of tartar
1 1/2 tsp. baking powder
1/2 tsp. salt
1 tsp. grated orange rind
1 tsp. grated lemon rind

Beat egg yolks until thick and lemon colored. Add the juices and rinds. Beat well. Add sugar gradually. Sift flour, baking powder and salt. Add to egg mixture. Beat the egg whites until stiff. Add cream of tartar and blend. Fold into the first mixture. Pour into ungreased tube pan. Bake 50 minutes at 325 degrees. Cool upside down on cake rack.