PREPARATION:
- Pound chicken to 1/4-inch thickness. Place chicken in large resealable food storage bag.
- Combine marmalade, vinegar, onion, oil, jalapeño, thyme and allspice in small bowl. Reserve 6 tablespoons marmalade mixture; set aside. Pour remaining marmalade mixture over chicken. Close bag securely, turning to coat. Marinate in refrigerator 1 hour, turning after 30 minutes.
- Combine 6 tablespoons reserved marmalade mixture and mayonnaise in small bowl; cover and refrigerate until serving time.
- Prepare grill for direct cooking. Drain chicken; reserve marinade.
- Place chicken on grid. Grill, covered, over medium-high heat 8 to 10 minutes or until chicken is no longer pink in center, turning halfway through cooking time and brushing with reserved marinade.
- Spread mayonnaise mixture on cut sides of each roll. Place lettuce and tomato, if desired, on bottom half of roll. Top with chicken and top half of roll.
