Cauliflower and chickpea curry

Guardian website

Serves four to six
1 whole cauliflower
3 medium onions
4 cloves of garlic
½ tsp chopped fresh ginger
2 tsp ground coriander
2 star aniseed
½ tsp ground chilli
4 curry leaves
2 tsp garam masala
2 tsp ground cumin
1 tin of chopped tomatoes
1 tin of chickpeas, drained
2 tbsp of chopped fresh coriander