1 large cauliflower, cut into large florets
400g/14oz cherry tomatoes on the vine, halved
1 red chilli, cut in half lengthwise
2 tsp ground coriander
600g/1lb 5oz floury potatoes, cut into 15mm/â…ťin cubes
handful fresh coriander, roughly chopped
4 garlic cloves, grated
5cm/2in piece fresh root ginger, grated
1 lime, juice only
1 red onion, roughly chopped
2 tsp ground cumin
2 tsp nigella seeds
3 tbsp oil
1 tsp sea salt flakes
1 small piece fresh turmeric, grated, or ½ tsp ground turmeric
rice or naan breads, to serve