- 1 tbsp olive oil
- 1 shallot, roughly chopped
- 1 clove garlic, finely chopped
- 1 sweet potato, peeled and cut into cubes
- 200ml/7fl oz hot vegetable stock
- salt and freshly ground black pepper
- 50ml/2fl oz olive oil
- 2 tbsp roughly chopped fresh coriander
- 1 tbsp roughly chopped fresh mint leaves
- salt and freshly ground black pepper
- To make the soup, place the oil into a saucepan over a medium heat. Add the garlic and shallot and fry for two minutes, until softened.
- Add the sweet potato and fry for two minutes, until beginning to brown.
- Add the stock and bring to the boil, then reduce the heat to simmer for 15 minutes, stirring occasionally, until the sweet potato is soft and cooked.
- Season, to taste, with salt and freshly ground black pepper and liquidise with a hand-held blender.
- To make the coriander pesto, place the herbs and oil in a food processor, season well with salt and freshly ground black pepper and blend to a smooth paste.
- To serve, pour the soup into a warm bowl and drizzle with the pesto.