Preheat oven to 200 Degrees Celsius.
Arrange butternut into a baking tray, drizzle with olive oil and season. Roast for 15 minutes. Turn heat up to 220 Degrees Celsius and add the courgettes and beans. Drizzle with olive oil and season. Roast for a further 20 - 25 minutes.
Meanwhile, marinate the chicken in a bit of olive oil, the lemon juice and zest. Season.
Whisk the dressing ingredients together and pour over the kale, massage the dressing into the kale to soften.
When veggies are almost done roasting, heat a little olive oil in a large pan. Fry the fillets over high heat in batches until golden brown on both sides and cooked through. (About 3- 4 minutes per side depending on the thickness).
Add the roasted veggies to the kale and sprinkle with seeds.
Serve golden chicken fillets with the warm roasted vegetable kale salad.