Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
2 c. milk
3 Tbsp. cocoa
3 Tbsp. flour
2 egg yolks
1 tsp. vanilla
chunk of butter
1 (9-inch) pie shell

Preparation

Mix all ingredients together.
Cook on medium heat until mixture is thick.
Pour in 1 (9-inch) cooked pie shell.
Top with meringue.