Au Gratin Potatoes - cooking recipe

Ingredients

2 lb. potatoes (6 medium)
1 medium onion, chopped
1/4 c. margarine or butter
1 Tbsp. all-purpose flour
1 tsp. salt
1/4 tsp. pepper
2 c milk
2 c. shredded Cheddar cheese
1/4 c. fine bread crumbs
paprika

Preparation

Prepare and slice potatoes in thin slices, about 4 cups.
Cook onion in margarine in a 2-quart pan until tender.
Stir in flour, salt and pepper.
Cook over low heat, stirring constantly until mixture is bubbly.
Remove from heat and stir in milk and 1 1/2 cups of cheese.
Heat to boiling about 1 minute and remove from heat.
Place potatoes in ungreased 1 1/2-quart casserole.
Pour cheese sauce over potatoes and top with remaining 1/2 cup cheese and bread crumbs.
Sprinkle with paprika.
Bake, uncovered, in 325\u00b0 oven for 1 hour and 20 minutes or until done.