4 celery sticks, sliced
1 garlic clove, crushed
2 large onions, sliced
2 sweet potatoes, peeled and sliced into 2cm/戮in cubes
400g tin chopped tomatoes
400g tin haricot beans, drained and rinsed
2 tbsp mango chutney
salt and freshly ground black pepper
1 tbsp ground cumin
1 tbsp medium curry powder
2 tbsp sunflower oil
1 tbsp sun-dried tomato pur茅e or paste
1kg/2lb 4oz lamb neck fillet, diced
450ml/16fl oz lamb or beef stock