Heat the olive oil in a large frying pan
Add the onions and fry for a few minutes
Add the cumin seeds and stir
Add the red pepper
Cook for 10 minutes or so until the peppers are soft and cooked
Add the chopped tomatoes, tomato puree, chilli and white wine vinegar
Stir and bring to a simmer
Add the lemon juice and basil
Add the chickpeas and heat through and cook for a further 5 minutes
Halve the olives
Add the olives to the stew and stir
Cook for a further 2-3 minutes until olives are warmed through
Serve with rice, potatoes, or bread