2 teaspoons olive oil
8 skinless, boneless chicken thigh fillets (about 650-700g/1lb 7oz-1lb 9oz total weight)
350g (12oz) shallots, peeled (halved, if large)
1 clove garlic, crushed
1 large red pepper, seeded and diced
225g (8oz) button mushrooms (halved, if large)
400g (14oz) can chopped tomatoes
150ml (¼ pint) good quality low-salt stock
150ml (¼ pint) red wine
2 teaspoons dried Italian herb seasoning
Freshly ground black pepper, to taste
1 tablespoon cornflour
Fresh herb sprigs, to garnish