Arizona Chicken Sandwiches 4 boneless chicken breasts 1 envelope fajita seasoning mix 1 cup chunky salsa 1/4 cup water 4 large buns 4 slices Monterey jack or Mexican cheese Red onion, sliced Avocado, sliced Extra salsa Combine fajita seasoning, the 1 cup salsa and water. Pour into a large zip-type bag, then add the chicken. Marinate in the refrigerator for a minimum of two hours. Heat grill for medium coals. Remove chicken from bag and reserve marinade. Grill chicken, basting with reserved marinade, for 5 to 7 minutes on each side or until chicken is done. Place on buns and top with cheese, onion, avocado and salsa.