Easy Jerk Chicken With Peppers and Pineapple

 Preheat oven to broil, with a rack 4 inches from heat. Line a baking sheet with foil.

 Make jerk seasoning: Whisk together thyme, sugar, allspice, garlic powder, salt, cayenne, and black pepper in a small bowl.

 Toss bell peppers, pineapple, and onion on prepared baking sheet with oil and a generous pinch of the jerk seasoning, spreading everything out evenly.

 Rub chicken pieces with remaining jerk seasoning, coating lightly. Nestle chicken pieces among vegetables on baking sheet. Transfer to oven and broil until chicken is cooked through and peppers and pineapple are well charred, 10 to 12 minutes, flipping chicken halfway through. Keep a close eye on baking sheet to prevent burning. Serve hot.