Hamburger Casserole(Quick And Easy; Boys Love It!)  
["1 box macaroni and cheese, prepared per pkg. directions", "1 lb. hamburger, browned and drained", "1/4 c. green pepper", "1/4 c. onion", "1/4 c. celery (may substitute celery salt)", "1 small can tomato paste", "1 can water", "1 can whole kernel corn, drained"]
["Mix vegetables, tomato paste and corn with cooked hamburger. Simmer until vegetables are tender.", "Stir mixture together with macaroni and cheese mixture.", "Cover with cheese slices if you prefer.", "Bake at 350\u00b0 for 20 minutes."]
["macaroni", "hamburger", "green pepper", "onion", "celery", "tomato paste", "water", "whole kernel corn"]