Heat the butter in a large frying pan over a medium heat.
Add the garlic, onion and mushrooms and sweat for 5 minutes until softened.
Add the Fate Low Protein All-Purpose Mix to the onion and mushroom mixture and stir through.
Add the vegetable stock and ProZero to the pan and stir until the mixture comes to the boil.
Reduce to a simmer for 15 minutes until thick.
Blend until smooth.
Fate Low Protein All-Purpose Mix and ProZero are foods for special medical purposes. This recipe has been specifically designed for use in a low protein diet. Refer to labels for allergen and other product information.