Mixed Vegetable Casserole
["2 (10 oz.) pkg. frozen mixed vegetables", "1 c. chopped celery", "1 c. chopped onion", "1 c. mayonnaise", "1 c. sharp cheese, grated", "1 c. Ritz crackers, crumbled"]
["Add celery and onions to mixed vegetables and cook until tender as directed on package. Drain. Add mayonnaise and cheese and mix well. Place in lightly buttered casserole. Sprinkle with Ritz cracker crumbs and dot with butter. Bake at 350\u00b0 for 25 minutes."]
["frozen mixed vegetables", "celery", "onion", "mayonnaise", "sharp cheese", "crackers"]