1 tbsp of olive oil
500g / 1 lb 2oz carrots, peeled and chopped
1 large onion, chopped
900ml / 1 1/2 pints vegetable stock
large bunch fresh coriander, roughly chopped
1. Heat the oil and saute the carrots and onion for a few minutes until the onion has softened.
2. Pour in the vegetable stock and add the coriander. Bring to the boil, and transfer to the Slow cooker and cook on low for 4 - 5 hours.
3. Puree the soup until smooth, using a hand blender or food processor.