Vegetable Casserole
["1 (18 oz.) pkg. frozen mixed vegetables", "1 c. chopped celery", "1 chopped onion (optional)*", "1 c. grated Cheddar cheese", "1 c. Miracle Whip salad dressing", "1/2 c. (1 stick) margarine", "1/4 lb. cracker crumbs"]
["*Could put 1 whole onion in center of casserole and remove before serving."]
["frozen mixed vegetables", "celery", "onion", "Cheddar cheese", "Miracle", "margarine", "cracker crumbs"]