French Rice Casserole
["1 (10 oz.) can onion soup (undiluted)", "1/2 c. margarine, melted", "4 1/2 oz. jar sliced mushrooms, undrained", "1 (8 oz.) can sliced water chestnuts, undrained", "1 c. uncooked regular rice"]
["Combine soup and margarine; stir well.", "Drain mushrooms and water chestnuts, reserving liquid.", "Add enough water to reserved liquid to equal 1 1/3 cups.", "Add all ingredients and mix well. Pour into a lightly greased baking dish.", "Cover and bake in 350\u00b0 oven for 1 hour."]
["onion soup", "margarine", "mushrooms", "water chestnuts", "regular rice"]