2 bxs. frozen chopped broccoli
3/4 c. mayonnaise
1 sm. onion, minced
1 c. shredded Cheddar cheese
1 can cream of mushroom soup
Ritz crackers (approximately 18, 10 for casserole itself and 8 for topping)

Cook broccoli and drain. Add remaining ingredients, except for crackers, and mix. Add crumbled crackers and put into casserole dish. Crumble remaining crackers on top. Bake 1 hour at 350 degrees.