Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
3 Tbsp. flour
1 tsp. salt
1/3 c. cocoa or less
3 egg yolks
2 c. milk

Preparation

Place ingredients in a saucepan and slowly bring to a boil, stirring constantly.
Cook until thick and bubbly.
Add 1 teaspoon vanilla and 1 stick butter.
Beat with mixer until smooth.