Pound chicken to 1/2-inch thickness. Combine mustard, oil, rosemary and peppers; mix well. Spread mixture evenly over both sides of chicken. Place chicken on grill over hot coals or on rack of broiler pan about 6 inches from heat. Grill or broil 6 to 8 minutes or until chicken is cooked through, turning once.
Makes 4 servings.
Cajun Country -- New Iberia, Louisiana