Mabel'S Squash Casserole
["2 c. cooked summer squash", "1/2 lb. ground beef", "1 small onion, chopped fine", "1 can cream of mushroom soup", "1 tsp. salt", "1/2 tsp. pepper", "grated cheese or cracker crumbs"]
["Cook squash until tender; drain.", "Brown ground beef and onion; drain off fat.", "Combine squash, ground beef, onion, cream of mushroom soup, salt and pepper.", "Pour into casserole.", "Top with grated cheese or cracker crumbs.", "Bake at 375\u00b0 until lightly browned, about 30 minutes.", "Yields 6 servings."]
["ground beef", "onion", "cream of mushroom soup", "salt", "pepper", "grated cheese"]