Easy Italian Chicken

Source: http://www.tasteofhome.com/recipes/Easy-Italian-Chicken

4 boneless skinless chicken breast halves (4 ounces each)
1 can (14-1/2 ounces) Italian stewed tomatoes
1 can (4 ounces) mushroom stems and pieces, drained
1/2 teaspoon dried basil
1/4 teaspoon garlic powder
1 tablespoon cornstarch
1/3 cup cold water
Hot cooked spaghetti

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.