1 broiler/fryer chicken (3-1/2 to 4 pounds), cut up
2 cups sliced onions
4 ounces fresh mushrooms, sliced
1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted
1 can (5 ounces) evaporated milk
1 cup shredded cheddar cheese
1/2 teaspoon salt
1/8 teaspoon pepper
Hot cooked rice, optional
Pour melted butter into an ungreased 13x9-in. baking dish; set aside. Place flour in a large resealable plastic bag. Add chicken, a few pieces at a time; shake to coat. Place chicken, skin side down, in baking dish. Bake, uncovered, at 425° for 30 minutes. Turn chicken pieces; bake and additional 20 minutes.
Meanwhile, saute onions and mushrooms in a nonstick skillet until tender. In a bowl, combine next five ingredients. Drain and discard chicken drippings. Cover chicken with onions, mushrooms and the soup mixture. Sprinkle with paprika. Reduce heat to 325° Cover and bake 20 minutes or until juices run clear. Serve over rice if desired.