Split pea dal

300 yellow split peas

1 onion, chopped

200g chopped tomatoes (from a tin or fresh)

Thumb of fresh root ginger, finely grated

2 tsp cumin seeds, 1 tsp crushed finely in a mortar

2 tsp ground turmeric

2 garlic cloves, one crushed, one thinly sliced

10 dried curry leaves (found in Asian supermarkets) *if you cannot locate these use 1 tbsp curry powder

700ml hot vegetable stock

1 hot green finger chilli, thinly sliced

2 tbsp vegetable or sunflower oil