4 c. cold water
1 c. rice, uncooked
1 stick butter
1 pkg. Lipton dry onion soup mix
1 can mushrooms, drained

Preheat oven to 375 degrees. In a 2 quart casserole mix all of the above ingredients. Bake for 1 hour 15 minutes in preheated oven. Stir occasionally while baking.