You will need
1 tsp olive oil
1/2 onion, finely chopped
250g mushrooms, sliced
2 medium zucchini, diced
1 chicken breast fillet, diced into small pieces
250g penne pasta, cooked
1 tbsp pesto
Heat the oil in a large frying pan over a medium heat. Add the onion and fry until soft, then add the chicken and fry until cooked through. Next add the sliced mushrooms and zucchini and cook until soft. Then stir through the pasta and pesto.