DIRECTIONS

In a large skillet coated with cooking spray, cook chicken for 5-6 minutes on each side or until the juices run clear.
    Meanwhile, in a saucepan over medium heat, combine the tomatoes, mushrooms, basil and garlic powder; bring to a boil. Combine cornstarch and water; gradually add to tomato mixture. Cook and stir for 2 minutes or until thickened. Serve chicken with spaghetti; top with tomato sauce. Yield: 4 servings.