Easy Green Bean Casserole - cooking recipe

Ingredients

1 1/2 lb. ground beef
1 onion
1 can French-style green beans
1 can tomato soup
mashed potatoes (enough for 6 to 8), cooked

Preparation

Brown beef and onion; drain fat.
Add soup.
Drain green beans; add to beef mixture. Cook for 5 minutes.
Put in casserole dish.
Place mashed potatoes on top.
Cook in preheated oven at 350\u00b0 for 30 minutes.