1 lb. ground beef
1 med. onion
1 can green beans
1 can tomato soup
3 c. mashed potatoes

Saute ground beef and chopped onion in a skillet until beef is done and onions are tender. Add green beans with liquid and tomato soup. Stir and heat thoroughly. Transfer to buttered 3 quart casserole dish. Top with mashed potatoes; spread to edges. Bake, uncovered at 350 degrees for 30 minutes.