Seven Vegetable Casserole * 1 cup corn 1 cup carrot 1 cup green peas 1 cup green beans 4 ounces water chestnuts, canned 1 cup chopped onion -- sauteed 1/4 cup butter or margarine 1 cup celery -- diced 10 3/4 ounces cream of mushroom soup 1/2 cup mayonnaise 1 cup cracker crumbs 1 tablespoon butter or margarine Saute onion and celery in 1/4 cup butter. Add vegetables to cream of mushroom soup and 1/2 cup mayonnaise. Spread in baking dish. cover with cracker crumbs, dot with butter. Bake at 300 F. until bubbly and golden Brown on top. - - - - - - - - - - - - - - - - - -