Preheat oven to 350°F. Combine ... besides butter and saltines in a large bowl. Pour mixture into oblong casserole dish. Melt butter and add ... crackers begin to brown.
Drain canned vegetables. Mix all vegetables, cheese, and mayonnaise. Cover bottom of large casserole dish with crackers. Pour in ... minutes at 350 degrees.
Drain vegetables well. In a bowl, combine mayonnaise, soup and onion. Stir ... in an oven-proof casserole dish and cover. Bake 45 ... minutes or until brown.