Chocolate Pie - cooking recipe

Ingredients

4 egg yolks
2 Tbsp. cocoa
2 Tbsp. butter
2 Tbsp. flour
1 c. sugar
2 c. milk
1/4 tsp. salt
1 1/2 tsp. vanilla

Preparation

Mix dry ingredients; add milk and butter.
Cook until begins to thicken.
Separate eggs; beat yolks well and add a small amount of the hot mixture to the egg yolks and slowly stir into the hot mixture.
Cook until thick; add vanilla.
Pour into baked pie crust and top with meringue.