Preheat oven to 220 degrees C. In a baking dish drizzle olive oil over chicken then season with salt and pepper. Sprinkle with garlic powder and BBQ rub on both sides then bake in oven for 20-30 minutes, until tender and juices run clear, turning once.
Other ideas
This is also great cooked on the BBQ (at 200 degrees C) for 30 minutes, turning once.