A healthy, low-carb alternative to mashed potatoes. My husband actually prefers this to potatoes, they're light and creamy with a sweet, nutty note from the garlic and fresh pop of herbs.
Slice about ¼" off the top of a 1 whole head of garlic and drizzle 1 teaspoon olive oil over the exposed cloves. Wrap garlic in aluminum foil and roast for 40-50 minutes, until soft. Remove from oven and cool until you can handle it.
Meanwhile, set a vegetable steamer into a pot or saucepan with a lid. Add an inch of water to the pot and fill the steamer basket with 1 cauliflower. Cover the pot and bring the water to a boil. Cook the florets until very tender (pierce them with a knife; the cauliflower is done if it goes in and comes out easily without sticking), about 10 minutes.
Transfer cauliflower to a food processor. Squeeze the individual cloves of roasted garlic into the cauliflower. Add 2 teaspoons thyme and secure the lid on the food processor. Pulse the cauliflower mixture until there are no lumps and it's smooth like mashed potatoes. This may take a few minutes.
Season with ¼-½ teaspoon kosher salt and ¼ teaspoon black pepper to taste. Garnish with an extra sprinkle of thyme and a drizzle of good olive oil before serving.
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Notes
The nice thing about cauliflower is it has no starch, so there's no worry about over-processing -- they don't become gluey. Yay!