Method:

• Preheat oven to 200°C.
• Toss cauliflower florets in olive oil, salt, and pepper.
• Spread on a baking tray and roast for 15-20 minutes until golden brown.
• Place roasted cauliflower in a pot with milk and thyme.
• Simmer gently for 5 minutes to infuse flavors.
• Remove thyme sprig and transfer mixture to a blender.
• Blend until smooth and silky.
• Add cold butter and blend once more.
• Pass through a fine sieve if necessary for an extra smooth texture.
• Season to taste with salt and white pepper.