Ingredients

Instructions

1. 1
   Lightly brush both sides of chicken breast with oil.
2. 2
   Heat the grill to medium-hot or, if using charcoal, until coals have burned down well. Once grill is ready, grill chicken breast for approximately 6-8 minutes on one side and then flip. Brush the top of the breast with barbecue sauce and grill for an additional 6-8 minutes. Flip the chicken once more and brush remaining side with barbecue sauce. Cook until the chicken breast reaches an internal temperature of 165°F and the sauce has heated through.
3. 3
   Meanwhile, place sliced pineapple on the grill. Cook for 4-8 minutes, turning the pineapple once halfway through.
4. 4
   Place chicken breast on bun and top with Swiss cheese, grilled pineapple, and a slight drizzle of barbecue sauce.