Place The Chicken In A 13X9X2-Inch Shallow Baking Dish. Mix The Soup, Milk, Garlic Powder And Mushrooms In A Medium Bowl And Pour Over The Chicken. Mix The Cheese And Bread Crumbs With The Butter In A Small Bowl And Sprinkle Over The Soup Mixture. Bake At 400 Degrees F For 30 Minutes Or Until Chicken Is Cooked Through. Place The Chicken On A Serving Plate. Stir The Sauce And Serve With The Chicken.