1–2 green chillies, chopped (or to taste)
1 tsp ground coriander
5–6 sprigs fresh coriander with leaves and stems, chopped
6 garlic cloves, peeled
40g/1½oz peeled fresh root ginger
2.5–4cm/1–1½in piece fresh root ginger, shredded or chopped
1 lime, juice only (a good squeeze)
2 tbsp lime juice
8–10 fresh mint leaves, shredded
2 peppers, mixed colours preferably, sliced
1–2 red onion, thinly sliced
salt and ground black pepper
1 tsp Kashmiri chilli powder (or more, to taste)
1 tsp ground cumin
½ tsp garam masala
2–3 tbsp rapeseed or sunflower oil
½ tsp ground turmeric
1–2 tbsp vegetable oil
40g/1½oz unsalted butter, softened
150g/5½oz Greek-style yoghurt
800g/1lb 12oz boned chicken (thighs, legs or breast), cut into 4cm/1½in cubes
8 chapatis or tortillas, to serve