Chicken And Broccoli Au Gratin
["1/4 c. margarine", "1/4 c. flour", "1/2 tsp. poultry seasoning", "1 (4 oz.) can mushrooms", "1 (10 oz.) pkg. frozen broccoli spears, cooked and drained", "1/4 c. chopped onion", "1 tsp. salt", "dash of pepper", "1 tall can Pet milk", "6 chicken breasts, cooked and diced", "1 c. sharp Cheddar cheese, shredded"]
["Melt butter in skillet.", "Saute onion. Remove from heat.", "Stir in flour, salt, poultry seasoning and pepper. Drain mushrooms reserving liquid.", "Add water to make 1/2 cup liquid.", "Gradually stir into flour mixture.", "Blend in milk until smooth.", "Add mushrooms and cook over medium heat until sauce begins to thicken. Arrange broccoli spears and chicken pieces in bottom of a 13 x 9-inch baking dish. Pour sauce over and top with cheese. Bake at 375\u00b0 for 30 minutes or until bubbly around edges."]
["margarine", "flour", "poultry seasoning", "mushrooms", "frozen broccoli", "onion", "salt", "pepper", "Pet milk", "chicken breasts", "Cheddar cheese"]