1 lb. ground beef
1 pkg. frozen green beans
Mashed potatoes, leftover or instant
1 can tomato soup
Dry bread crumbs
Parmesan cheese

Cook beans according to package directions; drain. Brown beef and drain fat. Grease casserole dish. Combine beef, beans and tomato soup. Spread in casserole dish. Spread mashed potatoes over beef and bean mixture. Sprinkle with bread crumbs and Parmesan cheese. Bake at 350 degrees for about 45 minutes to 1 hour (until potatoes are browned and crispy).