Cream Pie - cooking recipe

Ingredients

1/3 c. flour
2/3 c. sugar
1/4 tsp. salt
2 c. milk
3 slightly beaten egg yolks
2 Tbsp. butter
1/2 tsp. vanilla
3 egg whites
6 tsp. sugar

Preparation

Cook flour, sugar, salt, milk, egg whites and butter in double boiler until thick.