3 tbsp olive oil
25 g (1 oz) 2 tbsp butter
4 chicken breasts, part boned
1 large onion, finely chopped
2 garlic cloves, crushed
2 red, yellow or green (bell) peppers, cored, seeded and cut into large pieces
250 g (9 oz) button mushrooms, sliced or quartered
175 g (6 oz) tomatoes, skinned and halved
150 ml (1/4 pint) 2/3 cup dry white wine
175 g (6 oz) 1 1/2 cups stoned (pitted) green olives
4 - 6 tbsp double (heavy) cream
400 g (14 oz) dried pasta
salt and pepper
chopped flat leaf parsley, to garnish