Line a baking tray with baking paper and place the two chicken in the centre of the baking tray. Arrange the chopped vegetables around the chicken.
To make pesto crust, add all the pesto crust ingredients into to a food processor and pulse into it forms a pesto. Top each chicken breast with half of the pesto.
Drizzle olive oil over vegetables and season generously with salt and pepper.
Add the tray to the oven and bake for 30-35 minutes, until vegetables are golden and chicken cooked through.