1 c. sugar
3 egg yolks
1/2 c. boiling water
Pinch of salt
1 tsp. vanilla
1 tsp. baking powder
1 1/2 c. flour
3 beaten egg whites

Cream sugar and egg yolks. Add rest of ingredients except egg whites. Mix well. Fold in beaten egg whites, beaten stiff. Put in well-greased tube pan. Bake at 350 degrees until done.

BOILED FROSTING:

1 c. sugar
1/2 c. water
Scant pinch of cream of tartar
2 egg whites, stiffly beaten
1/2 tsp. vanilla

Cook sugar with water and cream of tartar. Stir until sugar is dissolved. Let boil until tried with a fork, the syrup will form a fine thread like a stream which will fly. Remove immediately from fire and pour in a thin stream over the beaten egg whites. Beat until cool. Add vanilla. Put on sponge cake.