2 (14 1/2 ounce) cans cut green beans, drained |
1 (6 ounce) can sliced mushrooms, drained |
1 (10 3/4 ounce) can cream of mushroom soup |
1 (4 ounce) can french fried onion rings |
1 (6 ounce) can water chestnuts, drained and sliced |
1 small onion, peeled and chopped |