- Fry onions in butter for few minutes, add flour and cook for 2 minutes
- Add stock, milk, thyme, salt, and pepper and bring to simmer
- Add potatoes, garlic, and water as needed
- Blend to smooth consistency
- Garnish with grated Parmesan cheese and green onion
Sub roasted garlic stock if roasted garlic not available. Use dark green parts of leek also, fibrous parts will blend with everything.