200g/7oz carrots, roughly chopped
1 garlic clove, finely chopped
20g/¾oz fresh root ginger, peeled and finely chopped
1 small onion (75g/2½oz peeled weight), finely chopped
1 spring onion, finely chopped, to serve
300ml/10fl oz vegetable stock
freshly ground black pepper
1 tsp rapeseed oil