3 tsp. baking powder
2 1/4 c. flour
1 tsp. salt
1 1/2 c. sugar
1/2 c. shortening
1 c. strained light colored orange juice
1/2 c. egg whites (4)
1 tsp. grated orange rind

Sift dry ingredients together into a big bowl. Add shortening and 2/3 cup orange juice, unbeaten egg whites and orange rind. Beat again for 2 minutes. Pour the thin batter into 2 layer pans, lined with waxed paper. Bake at 350° for 30 minutes.