Peel and chop the onion. Peel and dice the potatoes. Chop the peppers and eggplant into bite-sized chunks. Drain the chickpeas .
Half-cook the potatoes in boiling water (for about eight minutes) then drain.
Meanwhile, heat the oil in a heavy -based pan, add the onions, peppers and eggplant. Cook for 8-10 minutes until soft (at low temperature).
Add the curry powder, stir for one minute. Add the chopped tomatoes, potatoes and chickpeas. Add enough water to cover the vegetables.
Season with salt and pepper and cook for 15 minutes.
Sprinkle with chopped coriander.
Serve with rice or naan bread.