Boil squash and onions together in saucepan ... squash mixture, crumbled crackers, and Cheddar cheese in a casserole dish; at least 2 layers ... degrees until lightly browned.
Salt and pepper to taste. Boil squash and onions until tender. Season ... mayonnaise. Add egg, cracker crumbs and cheese. Melt 1/4 ... degrees for 30 minutes.