Heat the oil in a large pan, add the onion and garlic, cook gently for about 3 minutes or until the onion has softened.
Add the pumpkin and the potato and continue cooking for 5 minutes.
Add the chilli flakes and coriander and cook for a 1 minute.
Add the stock, bring to the boil, reduce the heat and simmer for 10 – 15 minutes until the vegetables are tender. Blend until smooth and stir in cream. Adjust seasoning as required.