Ingredients
Method
1.In a large saucepan, heat olive oil over a medium heat. Add onion and cook until soft and golden. Add chicken stock and bring to a simmer.
2.Cut broccoli and cauliflower into florets, add to pot and simmer for 1 hour until tender. Cool for 10 minutes. Using an electric stick blender, puree soup until smooth. Add cheese and cream, and season to taste.
3.Reheat the soup slightly to melt the cheese.