This creamy baked cauliflower gratin combines fresh cauliflower in a cheese sauce with mascarpone, heavy cream, Parmesan cheese and fresh herbs, It's very simple to assemble and bake.
Preheat the oven to 425 (220 C) degrees, with the oven rack positioned in the center of the oven.
Blanch the cauliflower in a pot of boiling salted water for 3 minutes. Drain well and pat dry with a towel.
Spread the butter over the bottom of 3-4 quart shallow gratin or baking dish. Arrange the cauliflower in the dish.
In a medium bowl, whisk the mascarpone, cream, flour, ¼ cup of the Parmesan, herbs, garlic, salt and black pepper until smooth. Spoon the mixture evenly over the cauliflower. Sprinkle the top with the remaining ¼ cup Parmesan.
Bake 25 minutes, or until the top is lightly browned and the sauce is bubbling. Cool 5-10 minutes before serving.
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Notes
You can assemble the blanched cauliflower in a baking dish with the cheese sauce and refrigerate up to one day before baking.
The creamy sauce will thicken a bit as it cools.
Make sure to use freshly grated Parmesan cheese, not the kind that comes in a can.