Ingredients
Method
- Thinly slice the onion and the garlic.
- Heat the oil in a pan and soften the onion (for about 5 minutes).
- Meanwhile, slice the peppers into 1cm thick strips, then add these to the onion together with the garlic.
- Simmer under cover for 5 minutes, then add the vinegar and the passata. Cover and cook for about 20 minutes until tender.
- Stir in the olives and basil leaves. Serve warm.