Meatball Casserole("A Favorite From The '76 Cookbook.")  
["1 1/2 lb. ground beef", "1 c. condensed tomato soup", "1 Tbsp. flour", "1/4 tsp. pepper", "2 tsp. salt", "2 Tbsp. margarine", "1 large onion", "2 c. celery, diced", "4 medium potatoes, diced"]
["Mix first four ingredients and 1 teaspoon salt.", "Shape into balls and brown on all sides in hot margarine.", "Put in 3 quart casserole.", "Mix remaining ingredients, including salt.", "Arrange on top of meatballs.", "Cover and bake in preheated 350\u00b0 oven.", "Bake 50 minutes or until potatoes are tender.", "Yields 4 to 6 servings."]
["ground beef", "tomato soup", "flour", "pepper", "salt", "margarine", "onion", "celery", "potatoes"]