Lemon Slice - cooking recipe

Ingredients

1st layer
1 cup graham cracker crumbs
1/4 cup butter
1/2 cup sugar
2nd layer
3/4 cup sugar
1/3 cup flour
1 tablespoon water
3 egg yolks
juice and rind of one lemon
3 egg whites
1 handful graham cracker crumbs

Preparation

First layer - Crumble first 3 ingredients together until mealy and press into ungreased 9x9 pan. Bake 10 min at 350\u00b0F.
Second layer - In double boiler combine second amount of sugar, flour, water, egg yolks, lemon juice and grated rind. Cook and stir over boiling water until thickened.
Beat egg whites until stiff and fold into hot thickened mixture. Spread over cookie base.
Sprinkle with crumbs. Bake in 350F oven for 3 minutes or until set. Cut into 36 squares.