Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
1/3 c. flour
3 Tbsp. cocoa
2 c. milk
1 egg, beaten
1 tsp. vanilla
baked pie crust
Cool Whip

Preparation

Cook sugar, flour, cocoa and milk until thickens.
Add egg last; cook 1 minute longer.
Add vanilla.
Pour into baked pie crust.
Put Cool Whip on top.