| 1. | Preheat the oven to 200C. Heat 1 tbsp of the oil in a frying pan over a medium heat and add the chicken breast fillets. Season with salt and pepper and cook for 2mins each side or until golden. Remove and set aside. |
| 2. | Add the remaining tbsp of olive oil to he pan. Add the onions and garlic and cook for a few mins over a medium heat until softened and lightly coloured. Add the tomatoes, turn the heat down and simmer for 5-10 mins, then stir in the vinegar and sugar, and season with salt and freshly ground black pepper. |
| 3. | Put the chicken breasts fillets into a baking dish and pour over the tomato mixture. Scatter over the olives, capers and chopped oregano. |
| 4. | Cover with foil and cook in the oven for 20mins or until he chicken is cooked through. Serve hot with crusty bread. |