In a large bowl, combine the chicken cubes, olive oil, soy sauce, garlic powder, smoked paprika, onion powder, salt, and black pepper. Mix until the chicken is well coated.
Thread the chicken cubes, bell peppers, and onion onto metal skewers.
Preheat a grill to medium-high heat. Grill the kabobs for about 10 minutes, turning once, or until the chicken is cooked through and the vegetables are tender.
Brush the kabobs with the melted butter and serve.
Interesting Facts
Kabobs are a great way to cook a variety of different vegetables and proteins at once.
Kabobs are easy to make and can be served as a main course or as a side dish.
Kabobs can be made with a variety of different meats, vegetables, and seasonings.