This recipe is courtesy of Arctic Gardens.
- In a large pot, melt butter over medium-high heat and sauté onion and garlic for 2 minutes.
- Add florets and potatoes and continue cooking for 5 minutes. Season with salt and pepper.
- Pour stock and milk into the pot. Reduce heat to medium and cook covered for 20 minutes, or until potatoes are tender. Remove from heat and let cool.
- Purée mixture with an electric mixer until smooth. Return to pot and add couscous seasoning. Adjust seasoning as needed.
- Reheat and serve soup garnished with cilantro and lemon zest. Sprinkle with some more couscous seasoning if desired.