You are here: Home » Recipes » Rice Mushroom Casserole Rice Mushroom Casserole Recipe by Favorite Recipes Press Yield 6 servings This rice casserole is easy to make and goes great with most any main dish. PrintEmail Ingredients 1/2 cup butter or margarine1 medium onion, diced6 to 8 ounces fresh mushrooms, quarterd2 1/2 cups beef or chicken bouillon (or 2 10-ounce cans consomme)1 cup uncooked converted rice1/4 teaspoon salt -- Garlic -- Oregano Instructions In butter or margarine, saute onions and mushrooms until tender. In a medium-size casserole, combine onions, mushrooms, bouillon and rice. Season with salt, garlic, and oregano to taste. Bake at 325F, covered, for 1 hour (This is very soupy but will absorb liquid as it bakes). Recipe reprinted with permission from The Junior League of Rochester’s Applehood and Motherpie (Rochester, New York, 1981).