1. Preheat oven to 475°.
2. Sprinkle chicken with black pepper and salt; lightly coat with cooking spray.
3. Place chicken on rack of a broiler or roasting pan coated with cooking spray. Bake at 475° for 15 minutes; remove pan from oven.
4. Combine mustard and red pepper in a small bowl; brush over chicken. Place bread in food processor; pulse 10 times or until crumbs measure 1 cup. Sprinkle breadcrumbs evenly over mustard mixture on chicken, pressing lightly to adhere. Lightly coat breadcrumbs with cooking spray. Return pan to oven. Bake at 475° for 10 minutes or until breadcrumbs are browned and a thermometer registers 165°.