Heat the oil in a large frying pan and cook the chopped onion, garlic and chorizo for a few minutes.
Stir in the Cajun seasoning, tomato purée and tinned tomatoes. Cook for 5-10 minutes to thicken, then add the kidney beans and chickpeas and cook for another 5 minutes.
Mix together the grated cheese and coriander, and serve alongside the chilli with some boiled rice.
For top tips on protecting you and your family when preparing raw meat and poultry, visit Food Safety in the Home.