Chocolate Pie - cooking recipe

Ingredients

3/4 c. sugar
1 egg
3 Tbsp. cornstarch
2 Tbsp. cocoa
2 c. milk
chunk of butter
1 tsp. vanilla
Cool Whip (top)

Preparation

Mix
together first 4 ingredients, then add milk.
Stir and cook until bubbly.\tStir in chunk of butter and 1 teaspoon vanilla.
Pour into cooked pie shell.
Top with Cool Whip.