Step 1

Heat the oil in a saucepan. Cook the onion for 10 mins until soft, then add the ginger, garlic, turmeric, cumin and curry powder. Cook for 1 min more. Stir in the tomatoes and sugar. Add the cauliflower, potatoes and split chilli, seasoning to taste. Cover with a lid and gently cook for a good 30 mins, stirring occasionally, until the vegetables are tender – add a drop of water if you need to, but it is meant to be a dry curry.

Step 2

When the vegetables are cooked, remove the chilli, if you like, stir in a squeeze of lemon juice and scatter with coriander. Serve with your choice of Indian bread and a dollop of yogurt.