A deliciously warming soup that'll be a hit with the whole family
- Brown the onion on the oil, add the stock and cauliflower and simmer 30-40 minutes.
- Transfer the soup into a blender and puree.
- Return to the saucepan and heat through stirring in the horseradish and seasoning to taste.
- Pour into bowls and sprinkle with the chopped parsley before serving.