Preheat oven to 400°F (200°C).
In a small bowl, whisk together olive oil, soy sauce, honey, garlic powder, ground ginger, chili flakes, salt and pepper.
Place chicken breasts on a skillet. Drizzle marinade over chicken and turn to coat evenly.

Add pineapple chunks, red pepper, and onion slices to pan around chicken.
Roast for 25-30 minutes or until chicken reaches an internal temperature of 165°F (75°C) and vegetables are tender.
Garnish with fresh cilantro before serving for an extra burst of flavor.
Serve Hawaiian Tropical Chicken with roasted vegetables for a complete and easy meal.