In a shallow bowl or dish, mix together soy sauce, vinegar, honey, garlic powder, ginger, pepper, and oil. Add chicken breasts and turn to coat. Let marinate for 10-15 minutes.
Preheat grill to medium-high heat. Grill chicken breasts for 5-7 minutes per side, or until cooked through.
Add pineapple slices to the grill, cooking for about 3 minutes per side, until lightly charred.
Serve chicken and pineapple together, with an extra drizzle of the marinade if desired.
Interesting Facts
Luau-style grilled chicken and pineapple is a popular Hawaiian dish.
The marinade for this dish can be used for other meats and vegetables as well.
Grilled pineapple is a popular topping for tacos, burgers, and other dishes.