Combine first 4 ingredients in a shallow dish; stir well, and set aside.
Brush mustard blend evenly over both sides of chicken. Dredge chicken with breadcrumb mixture.
Place chicken on a rack coated with cooking spray; place rack in shallow roasting pan. Bake at 375 deg for 45 minutes or until done. Yield: 4 servings (serving size: 1 chicken breast half).