Fennel Gratin Recipe

When it comes to comforting, indulgent side dishes, we often default to potatoes, pasta, or rice. But there's an underrated vegetable that deserves a spot in your cold-weather recipe rotation fennel. With its delicate anise-like flavor, fennel takes on a mellow sweetness when roasted, especially when paired with creamy, cheesy goodness.

This fennel gratin is a warm, golden dish that elevates the vegetable into a centerpiece-worthy side. With just a few ingredients and minimal prep, you’ll have a bubbling tray of savory, aromatic flavor that’s equal parts elegant and cozy.

Why Fennel Deserves a Second Look

Fennel may not be the first vegetable you think of for a gratin, but it brings a lot to the table:

• It’s low in calories but high in fiber, with one bulb offering nearly 20% of your daily fiber needs.

• Rich in antioxidants like vitamin C and plant polyphenols, it may support immune health and reduce inflammation.

• Its subtle licorice flavor softens beautifully when roasted, making it an excellent match for creamy sauces and sharp cheeses.

Ingredients You'll Need

• ½ tablespoon butter

• 2 heads fennel, thinly sliced

• 1 cup coarsely grated Parmesan cheese

• 1 clove garlic, minced

• ¼ teaspoon kosher salt

• 1 tablespoon mustard (Dijon works best)

• 2 cups heavy cream

How to Make Fennel Gratin

1. Preheat your oven to 350°F and lightly butter a 9-by-13-inch baking dish.

2. Toss the fennel, Parmesan, garlic, and salt in the dish until well combined.

3. Whisk the mustard into the heavy cream and pour evenly over the fennel mixture.

4. Bake uncovered for about 1 hour, or until the top is golden and bubbling.

Let it sit for a few minutes before serving to allow the gratin to set then dig in.

Serving Tips

This fennel gratin pairs well with roasted chicken, baked salmon, or even as a stand-alone vegetarian main when served with a green salad. Want a little extra depth? Try adding a handful of Gruyère cheese or topping it with whole-grain breadcrumbs for a crispy finish.

Nutritional Context

While rich in cream and cheese, this dish offers some surprising health perks thanks to fennel's natural nutritional profile. Studies have shown that fennel's essential oils may support digestion and hormonal balance, making it a functional indulgence when enjoyed in moderation. Plus, using Parmesan adds protein and calcium key for bone health.

Whether you're cooking for a crowd or looking to switch up your holiday side dish game, fennel gratin is a flavorful, satisfying option that brings both sophistication and warmth to the table.

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