Roasted Cauliflower with Dijon Mustard-Lemon Butter

A plate of roasted cauliflower florets garnished with chopped herbs, served on a gray dish with a silver serving spoon on the side.

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Roasted Cauliflower with Dijon Mustard-Lemon Butter

Roasted Cauliflower with Dijon Mustard-Lemon Butter is a delicious and easy side dish that can transform those who are skeptical about cauliflower into true fans!

Prep Time5

Cook Time30

Total Time35

Course: Side Dish

Cuisine: American

Keyword: Apple butter, Cauliflower, Easy, Grainy Dijon mustard, Lemon, Make-ahead

Servings: -6 people

Equipment

Ingredients

1 small head of cauliflower (about 1 ¾-2 pounds) leaves removed and core kept intact
1 tablespoon Extra-virgin olive oil
1 teaspoon kosher salt
3 ounces (6 tablespoons) unsalted butter
1 ½ teaspoons freshly grated lemon zest
2 tablespoons freshly squeezed lemon juice
2 tablespoons whole grain Dijon mustard
1 tablespoon finely minced fresh flat-leaf parsley

Instructions

Preheat the oven to 400℉. Using a silicone brush, brush a rimmed baking sheet with olive oil; set aside.
On a cutting board, cut the cauliflower head in half. Then cut each half into 8 slim wedges. Transfer the wedges to the prepared baking sheet and season with the salt. Bake until the cauliflower is slightly softened (use a pairing knife to check for tenderness), about 15 minutes.
Meanwhile, melt the butter in a small saucepan over medium heat. Whisk in the lemon zest, lemon juice, and mustard.
Remove the pan from the oven. Using a small spatula, carefully turn the wedges over, then pour or spoon the butter mixture over the cauliflower. Return the pan to the oven and roast until the cauliflower is lightly browned and tender, about 10-15 minutes longer. Transfer the cauliflower to a platter and serve warm or at room tmperature.

Notes

Cauliflower can be made up to 2 hours ahead and kept at room temperature.
To serve warm, cauliflower can be reheated in a 350°F oven for about 10 minutes.
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.

Nutrition