Easy Parmesan Garlic Chicken

½ cup grated parmesan cheese
1 envelope Italian Salad Dressing mix
6 boneless, skinless chicken breast halves (about 2 lbs)
½ tsp garlic powder

Heat oven to 400 degrees F. Mix cheese, garlic powder, and salad dressing mix. Moisten chicken with water; coat with cheese mixture. Place in shallow baking dish. Bake for 20 to 25 minutes or until chicken is cooked through.