1 lb. ground beef
1 onion, diced
1 can tomato soup
1 can green beans, drained
2 c. mashed potatoes
3 sliced cheese

Brown onion and beef together. Drain off fat. Add soup to meat and onion mixture, simmer for 10 minutes. Pour meat mixture in casserole. Use the green beans for the next layer. Top with the mashed potatoes. Place cheese slices on top and place in medium over until cheese is bubbly.