In a medium bowl, combine ... and cheese. Combine egg, milk and butter; stir ... a one- quart casserole or pie plate; top with ... or until light brown.
Sauté onions in butter. Mix soup, sour cream, beaten eggs and milk. In a casserole dish, put a layer of ... Top with crushed Saltines. Bake at 350°F for 30 to 40 minutes.