Sponge Cake

Directions

1. 1
   Beat egg yolks until lemon colored; add sugar slowly a tablespoon at a time.
2. 2
   Add vanilla and gradually, the flour.
3. 3
   Fold in egg whites which have been beaten until stiff.
4. 4
   Bake in preheated oven at 350 degrees for 35 minutes in greased pan.
5. 5
   Let cool 10 minutes; remove from pan.