Heat the oil in a pan over a medium heat and add the onion, garlic and herbs.
Fry for 5 minutes or until soft.
Add the sweet potatoes and leftover vegetables and sweat for a further 5 minutes.
Add the vegetable stock and simmer for 20 minutes.
Add the ProZero and blend with a stick blender or in a blender.
Season to taste and serve.
ProZero is a food for special medical purposes and must be used under medical supervision. This recipe has been specifically designed for a low protein diet. Refer to labels for allergen and other product information.