Preheat oven to 350 degrees and line baking sheet with parchment paper and spray with non stick spray.
In a large bowl season chicken breast with salt, pepper and oil and mix.
Next add cubed bell peppers, onion, zucchini and BBQ sauce to chicken. Coat thoroughly.
Bake in the oven for 20 minutes then remove and add pineapple chunks before returning to oven for 10-20 more minutes.
Serve with rice or cauliflower rice & add addional sauce if needed.
