Pre heat oven to 200°c

Line a baking tray with silver foil. Place sliced onions and peppers on opposite side of the lined baking tray

Place chicken breast in middle of baking tray

Drizzle oil over the peppers, onions and chicken and then toss oil through the onions and peppers

Sprinkle the fajita seasoning onto both sides of the chicken

Cook in oven for 45 minutes

Serve as desired. I serve with white or brown rice