Au Gratin Potatoes - cooking recipe

Ingredients

3 lb. potatoes
1 onion, chopped
1/4 c. margarine
1 Tbsp. flour
1 tsp. salt
1/4 tsp. pepper
2 c. milk
2 c. shredded sharp Cheddar
1/4 c. bread crumbs

Preparation

Wash, peel and remove eyes from potatoes.
Thinly slice.
Cook onion in butter; stir in flour, salt and pepper.
Cook over low heat until bubbly.
Remove from heat.
Stir in milk and cheese. Heat to boil, 1 minute.
Put potatoes in ungreased pan.
Pour on cheese sauce.
Cook, uncovered, at 325\u00b0 for 1 hour and 20 minutes. Sprinkle on bread crumbs.
Bake 15 minutes more.