1 10 1/2 oz can onion soup, undiluted
1/2 c butter
8 oz button mushrooms, sliced
1 8 oz can sliced water chestnuts
1 c rice
1 1/3 c water

Melt butter in large skillet. Add mushrooms. Saute. Add soup, water, water chestnuts, and rice. Stir well. Pour into lightly greased 10x6x2 inch baking dish. Cover and bake at 350 degrees for 1 hour. Serves 6.