Fennel Gratin with Walnut-Thyme Breadcrumbs

A luxurious side dish featuring tender fennel bulbs baked in cream and topped with a crunchy mixture of walnuts, Parmesan, and thyme-scented breadcrumbs. This elegant gratin combines the subtle anise flavor of fennel with rich dairy and nutty elements.

6 servings
55 min

Ingredients

  • 2 pounds fennel bulbs
  • 1 small onion
  • 1 cup heavy cream
  • 4 tablespoons unsalted butter
  • 2 tablespoons thyme leaves
  • to taste kosher salt and pepper
  • cups fresh breadcrumbs
  • 1 cup walnuts
  • 2 tablespoons olive oil
  • 1 ounce Parmesan

Cooking Instructions

  1. 1.

    Place rack in upper third of oven; preheat to 400°F. Place fennel, onion, cream, butter, and 1 Tbsp. thyme in a large bowl. Season with salt and pepper and toss to combine. Transfer to an 8x8" baking dish; bake until fennel is crisp-tender and cream is reduced by half, 30-35 minutes.

    35 min

  2. 2.

    While fennel is baking, combine breadcrumbs, walnuts, and oil in a medium bowl. Season with salt and pepper and toss until bread is evenly saturated and walnuts are coated. Add Parmesan and remaining 1 Tbsp. thyme and toss again to combine.

    5 min

  3. 3.

    Scatter breadcrumb mixture evenly over gratin and bake until breadcrumbs and walnuts are deep golden brown and fennel is tender, 12-15 minutes. Let cool slightly before serving.

    15 min