Carl’s Jr. plays up sourcing and cooking technique in its description of the Hawaiian Charbroiled Chicken Sandwich with the phrase “features a charbroiled 100% antibiotic-free chicken breast fillet.” QSRs are increasingly going the antibiotic-free route, as consumers seek “clean label” poultry free from artificial colors, hormones and antibiotics. And while breaded, fried chicken is still ubiquitous in sandwiches, health-conscious eaters often are looking for grilled and broiled applications. This sandwich delivers on that demand, ramping up the flavor with grilled pineapple, Swiss cheese and teriyaki sauce, ​served on a honey wheat bun.