Chocolate Pie - cooking recipe

Ingredients

1/4 c. cocoa
1 c. sugar
3 Tbsp. cornstarch
2 c. milk
3 Tbsp. butter
2 eggs, separated
1/4 tsp. salt
1 tsp. vanilla
2 egg whites
4 Tbsp. sugar

Preparation

Cook the first 8 ingredients until mixture thickens.
Pour into pie shell.
Beat egg whites real stiff.
Add 4 tablespoons sugar. Put on pie and brown.