Chocolate Pie - cooking recipe

Ingredients

2 c. sugar
1/2 c. milk
3 Tbsp. cocoa
3 heaping Tbsp. flour
3 egg yolks
1 tsp. vanilla
1 lump butter
1 c. boiling water

Preparation

Cook ingredients until thick.
Pour into baked pie shell.
Use egg whites for meringue; put on pie.