Lemon Sponge Pie

Directions

1. 1
   Grate the rind fine in a bowl.
2. 2
   Add sugar, flour, egg yolks and butter and mix.
3. 3
   If hard to mix, add a little lemon juice to soften.
4. 4
   Add the rest of the lemon juice, then the milk and egg whites.
5. 5
   Pour into unbaked pie crust and bake at 450° for 10 minutes, then 400° for 25 minutes more.
6. 6
   Makes 1 pie.