Au Gratin Potatoes - cooking recipe

Ingredients

12 medium large potatoes
7 Tbsp. flour
1 medium onion, chopped
12 oz. Cheddar cheese, grated
6 Tbsp. margarine or butter
3 1/2 c. milk
salt and pepper to taste

Preparation

Boil potatoes in jackets until tender.
Let cool slightly. Peel.