Chocolate Pie - cooking recipe

Ingredients

1 baked pie shell
2 c. milk
2 eggs
1 c. sugar
3 Tbsp. cocoa (unsweetened)
4 Tbsp. flour
2 Tbsp. butter
1/2 tsp. vanilla

Preparation

Mix dry ingredients and set aside.
Beat milk and eggs together.
Add dry ingredients and butter to milk and egg mixture and cook slowly until thickened, stirring constantly.
(If not thickened by boiling stage, add more flour.
Mixture should not boil.)
Add vanilla.
Pour into pie shell.
Cool before refrigerating.
Top with whipped cream.