What's not to like? See 2 cooking methods below. Wrap each sandwich in foil. If you like, chill in the refrigerator up to 24 hours. Tote wrapped sandwiches and any remaining sauce in an insulated cooler with ice packs
For sauce: In small saucepan, heat and stir Sriracha and jelly over medium heat untill jelly melts. Stir in vinegar, mustard, Worcestershire sauce, and chili powder; remove from heat; set aside.
Lightly pound chicken breast halves between 2 pieces of plastic wrap to about 1/4-inch thickness. Brush both sides of chicken with oil; sprinkle with salt and black pepper.
To cook the chicken by direct grill method: Grill chicken on the rack of an uncovered grill directly over medium coals for 6 to 8 minutes or till no pink remains, turning once. Cut chicken into bite size strips.
To broil the chicken: Arrange the chicken on the unheated rack of a broiler pan. Broil 4 to 5 inches from heat for 6 to 8 minutes or until no pink remains, turning once. Cut chicken into bite size strips.
To assemble, lightly spread the toasted roll or bun halves with the warm sauce. Add chicken, cheese slice, bacon, and tomato slices. Top with roll or bun tops.
To serve, if you like, place wrapped sandwiches on a grill rack over medium heat, turning occasionally till heated through. Serve with any remaining sauce.