Chocolate Pie - cooking recipe

Ingredients

2 c. sugar
4 Tbsp. flour (rounded)
3 Tbsp. cocoa
4 c. milk
1 tsp. vanilla
1 stick butter
4 egg yolks

Preparation

Mix sugar, flour and cocoa.
Add egg yolks and blend milk. Add vanilla and butter.
Cook until thick over medium heat.
Pour into baked pie shell.
Make top with egg whites.