Cheesy Brat Stew

6 fully cooked bratwurst or Polish
    sausage, cut into 1/2 inch pieces
4 medium potatoes, cooked and cubed
1 (16 ounce) can cut green beans, drained
1 (10 ounce) can cream of mushroom soup
1 cup shredded cheddar cheese
1 medium onion, chopped

Combine all ingredients in a greased three-quart casserole dish and bake at 350 degrees F for 45 minutes to one hour.