Rice Casserole - cooking recipe

Ingredients

1 stick melted margarine
1 can Campbell's onion soup
3/4 can water
1 c. uncooked rice
1 can mushrooms (juice and all)
1 can water chestnuts, sliced thinly

Preparation

Brown rice in butter.
Put all remaining ingredients in greased casserole, cover tightly and cook 1 hour in a 350\u00b0 oven. Stir several times while cooking.
Add chopped, cooked pieces of chicken, if desired.