Preheat the oven to 200C fan.
Break the cauliflower florets apart, cut the peppers into strips, break apart the shallots and peel the garlic cloves before adding to a large bowl.
Mix the olive oil, harissa, and sherry vinegar together and pour over the veg.
Get your hands involved to ensure the veg is well covered.
Place the marinated veg on an oven tray and bake for 20 mins.
Take out, give it a mix and bake for another 10 minutes.
Serve with couscous, coconut yoghurt and mint leaves.