
Add olive oil to a large pot and saute the onion until soft and translucent. Add the garlic and saute for 1 minute longer.
Add the grated zucchini and saute for 1-2 minutes. add salt pepper n red pepper
Add the potatoes and chicken stock and bring to boil. Once boiling turn down to a simmer and simmer for 20 minutes.
Turn off the heat and using a handheld blender (immersion blender) blend the soup until smooth and creamy.
Stir in the grated parmesan cheddar and butter and season with salt and pepper and red pepper.