Frozen Lemon Pie - cooking recipe

Ingredients

3 beaten egg yolks
1/4 c. lemon juice
1/2 tsp. lemon rind, grated
1/8 tsp. salt
1/2 c. plus 1 Tbsp. sugar
1 c. crushed vanilla wafers
3 egg whites, beaten stiffly
1 c. heavy cream, whipped

Preparation

Combine first 5 items.
Cook until custard.
Cool.
Fold in whipped cream and stiffly beaten egg whites.
Sprinkle half of crumbs in pan.
Add filling, then rest of crumbs.
Refrigerate for several hours.