Chocolate Pie - cooking recipe

Ingredients

2 c. milk
3 Tbsp. cocoa
3 Tbsp. flour
2 egg yolks
1/4 c. butter
1 c. sugar
1 tsp. vanilla
1 baked pie crust

Preparation

Mix flour, cocoa and sugar together.
Add milk.
Stir and cook until it begins to thicken.
Add butter.
Take 3/4 cup mixture out and mix in egg yolks, then add this back to mixture.
Cook 2 more minutes.
Take off heat and add 1 teaspoon vanilla.
Pour in baked pie shell.