1 ounce dry onion soup mix (1 packet or use homemade)
10.5 ounces condensed cream of mushroom soup (1 can)
Instructions:
Preheat oven to 325°F.
Spray a 9×13-inch casserole dish or glass baking pan with cooking spray (the rice doesn't cook well in a metal pan). Add chicken breasts and season with salt & pepper.
Pour uncooked rice over chicken. Sprinkle with onion soup mix.
Combine mushrooms soup and 1 ½ cups of water. Pour over chicken.
Cover and bake 1 hour 15 minutes or until rice is tender.