Low-Fat Au Gratin Potatoes - cooking recipe

Ingredients

1 Tbsp. margarine
1 medium onion, thinly sliced
2 Tbsp. flour
2 c. fat-free skim milk
2 lb. uncooked Yukon Gold potatoes, thinly sliced
1 c. low-fat shredded Cheddar cheese
salt and pepper to taste

Preparation

Preheat oven to 375\u00b0.
Coat 2-quart baking dish with cooking spray.