Step 1

Heat the oil in your largest pan and cook the onions, ginger and sugar for 5 minutes, until softened and gently browned. Add the cumin seeds, tomatoes, turmeric, coriander, chilli powder, some salt and pepper and 250ml water.

Step 2

Bring to a simmer, then stir in the sweet potatoes. Cover and simmer for 5 minutes, then add the cauliflower. Cover and cook for a further 15 minutes. Add the chickpeas and cook for 5 minutes, until the vegetables are tender.

Step 3

Stir in the lemon juice and coriander just before serving.