2 green chillies, sliced lengthways into thin strips, with or without seeds according to preference
1 tsp ground coriander
handful chopped coriander leaves, to finish
6 garlic cloves, finely crushed
5cm/2in fresh root ginger, finely grated
1 medium onion, very finely chopped
1kg/2lb 4oz potatoes, peeled and cut into 3cm/1¼oz chunks
200g/7oz tomato passata
¼ tsp asafoetida
2 Indian bay leaves
1 tsp Kashmiri chilli powder
1 tsp ground cumin
1 tsp garam masala
½ tsp salt
1 tsp ground turmeric
½ tsp ground turmeric
4 tbsp vegetable oil
3 tbsp vegetable oil
150g/5½oz frozen peas