Rearrange the steps below to make pumpkin soup.
Heat the butter in a deep pan, add the shallots and celery then stir fry for a few minutes.Add the pumpkin and stir fry for a few more minutes then add 750 ml of water and a pinch of salt and cook until the pumpkin is tender.Purée the soup in a mixer until it is smooth; add the cream and simmer for 2 to 3 minutes.For the finishing touch, garnish it with some celery leaves.