Lemon Sponge

Directions

1. 1
   Cream sugar and butter.
2. 2
   Beat egg yolk and add lemon.
3. 3
   Add to creamed mixture.
4. 4
   Add flour and milk.
5. 5
   Beat egg whites until stiff but not dry.
6. 6
   Fold whites into rest of ingredients.
7. 7
   Put into crust.
8. 8
   Bake at 450° for 10 minutes, then at 350° for 30 or more minutes.