Pour the chickpeas onto a sieve, collecting the liquid. Peel and finely chop the ginger, onions and garlic. Wash the chillies, cut lengthwise and remove the seeds. Chillies also finely chop.
Clean, wash and cut the tomatoes into pieces. Heat oil in a pot. Fry ginger, garlic and chilli in it. Add tomatoes and chickpeas. Season to taste with salt and spice mixture. Add the liquid of the chickpeas and let everything simmer for five minutes.
Wash coriander, dab dry, pluck leaves from the stems and sprinkle over. Season the vegetables with lemon juice and serve.