1 med. onion - chopped
1/4 cup butter OR margarine
1 lb. fresh OR frozen broccoli florets - cooked until tender
(2) 10.75 oz. cans condensed cream of mushroom soup - low-fat okay
1/4 - 1/2 cup shredded cheddar cheese - low-fat okay

-In a small skillet over medium heat, sauté onions in butter until translucent, for 4 minutes.
-Combine all ingredients in a 2-quart oven-proof casserole dish.
-Bake, uncovered, in a 350 degree oven for 30 minutes.