Heat the oil in a large frying pan and add the onions and carrots. Cook for 3–4 minutes until starting to soften. Stir in the ground coriander and season with salt and pepper. Cook for 1 minute.

Add the chopped coriander and lemon juice and taste to season ... Heat the olive oil in a large heavy based pot over a medium low heat. Add the garlic and bay leaf and gently sweat for a couple ...

Prepare a large bowl of iced water ... Remove some of the leaves from the celery stalks and coriander stems (reserve these for the garnish). Tear the celery stalks and leaves into 3cm (1¼in ...