Preheat oven to 350° F.
Slice bell peppers and cut broccoli into florets.
Cut chicken breast into even cubes.
Place cubed chicken, sliced bell pepper, mushrooms, and broccoli florets onto pan.
Spray chicken and vegetables with avocado oil and sprinkle desired seasonings.
Bake in oven for about 15-20 minutes, remove and devour!