Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
1/3 c. flour
1/8 tsp. salt
1/3 c. cocoa
2 c. milk
2 egg yolks
1/2 tsp. vanilla
1 Tbsp. butter

Preparation

Sift dry ingredients together.
Add beaten egg yolks and a little milk to make a thin paste.
Then add rest of milk.
Cook until thickens.
Remove from heat and add vanilla and butter.