Chocolate Pie - cooking recipe

Ingredients

2 Tbsp. cocoa
1 3/4 c. sugar
4 Tbsp. flour
3 egg yolks
pinch of salt
2 Tbsp. butter
2 c. milk
small amount of water

Preparation

Mix cocoa, sugar, flour, salt, butter and egg yolks together. Add small amount of water, just enough to moisten.
Heat the milk, but do not boil.
Cook all together until thickened; pour into baked pie shell.