- Heat the oil in a large pan and cook the onion and chilli for 5 minutes until softened. Add the paprika and cumin and cook for a minute more. Stir in the beef and tomatoes, cover and cook for 15 minutes. Check the seasoning.
- Stir in the beans, vinegar, sugar and a splash of water and cook for a further 10 minutes. Divide between bowls and scatter over the coriander.
- Serve with tortilla chips, soured cream and grated cheese.