Mama'S Buttermilk Pie - cooking recipe

Ingredients

1/2 c. buttermilk
1 stick margarine
1 1/2 c. sugar
3 eggs, separated
1 tsp. vanilla
1/4 c. flour

Preparation

Beat egg yolks. Beat egg whites until fluffy.
Mix other ingredients.
Fold in egg whites.
Pour into unbaked pie shells. Bake in slow (300\u00b0) oven 45 minutes until set in middle.