Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
1/4 c. cornstarch
4 Tbsp. cocoa
3 eggs
2 c. milk
1 1/2 Tbsp. butter
2 tsp. vanilla extract

Preparation

Mix sugar, cornstarch and cocoa together.
Add 1 1/2 cups of milk.
Add vanilla and butter.
Beat egg yolks in 1/2 cup milk. Pour in the milk that's in the pan.
Cook until thickened.
Put in a baked pie crust.
Put 1/4 teaspoon cream of tartar to egg whites and beat until stands in peaks.
Add sugar (around 3 or 4 tablespoons) and put on pie.
Brown in oven.