Egg Custard Pie - cooking recipe

Ingredients

1 c. sugar
1 heaping Tbsp. flour
1 c. sweet milk
4 egg yolks
1 Tbsp. butter
1 tsp. vanilla

Preparation

Mix flour and sugar.
Add sweet milk and beaten egg yolks. Cook in double boiler until thick.
Add butter and vanilla.
Pour into baked pastry.