Mrs. Truman’s Frozen Lemon Pie
Served by First Lady Bess Truman
2 eggs, separated
1/3 cup fresh lemon juice
1 tablespoon grated lemon rind
1 cup whipped cream
1/2 cup sugar
1/2 cup crumbled graham crackers
Beat egg yolks. Add lemon juice, rind and all, with two tablespoons of sugar. Cook over low heat, stirring constantly. Cool.
Beat egg whites, add two more tablespoons of the sugar, fold into cooked mixture; then fold in whipped cream.
Line greased pie or refrigerator pan with graham cracker crumbs. Save some to sprinkle on top. Pour filling into pan and freeze.
Source: President Harry Truman Library