Heat oven to 350 degrees. In a flat 2 quart casserole dish (12 x 13 inch) ... of mushrooms to rice mixture. Bake at 350 degrees ... 15 minutes before serving.
Saute onions and celery in ... 2 cups dry rice as directed. Add mushroom soup ... well. Pour into casserole dish and cover lightly with ... minutes at 325 degrees.