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Heat the oil in a large saucepan. Add the garlic, shallots and dried and fresh chillies and stir fry over high heat for 1 minute. Add the puree, 400 ml / 14 oz of the stock, the french beans, soy sauce and pumpkin. Stir over moderate heat. Add the sugar, pepper, peanut butter and curry powder and stir again. When the pumpkin is tender, after about 10 mintues, add the coconut milk and bring to a hard boil for 1 minute.
Blend the remaining stock with the cornflour until smooth, add to the soup and stir to thicken. Ladle the soup into large serving bowl.
posted by Mr Falafel