Heat the oil over medium heat and add the thyme, Jerusalem artichokes, onion, garlic and spices.
Place a lid on top and steam until just tender.
Add the stock and cream and bring to a boil. Blend until smooth and pass through a sieve.
Check seasoning and serve with crusty bread. Chef Chris likes toasted pot bread.
If you like the sound of this, visit Pierneef à La Motte in Franschhoek and read about Chris Erasmus’s favourite restaurants.