How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Fennel Gratin With Walnut-Thyme Breadcrumbs ?

You need 10 ingredients. The key ingredients include: 2 pounds fennel bulbs (about 4 small), thinly sliced lengthwise, 1 small onion, thinly sliced, 1 cup heavy cream, 4 tablespoons unsalted butter, cut into small pieces, and more.

Is Fennel Gratin With Walnut-Thyme Breadcrumbs suitable as general?

Yes, Fennel Gratin With Walnut-Thyme Breadcrumbs falls under the General category and is a great choice for this type of meal.

How do I store leftover Fennel Gratin With Walnut-Thyme Breadcrumbs ?

Store in an airtight container at room temperature for up to 3–5 days. For longer storage, freeze for up to 3 months — no need to refrigerate or reheat.

Fennel Gratin With Walnut-Thyme Breadcrumbs Recipe

Name: Fennel Gratin With Walnut-Thyme Breadcrumbs
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 pounds fennel bulbs (about 4 small), thinly sliced lengthwise; 1 small onion, thinly sliced; 1 cup heavy cream; 4 tablespoons unsalted butter, cut into small pieces; 2 tablespoons thyme leaves, divided; Kosher salt, freshly ground pepper; 1 1/2 cups very coarse fresh breadcrumbs; 1 cup walnuts, coarsely chopped; 2 tablespoons olive oil; 1 ounce finely grated Parmesan (about 1 cup)

Bake this irresistible Fennel Gratin With Walnut-Thyme Breadcrumbs at home. Made with fennel bulbs, onion, heavy cream and unsalted butter. Easy step-by…

This Fennel Gratin With Walnut-Thyme Breadcrumbs relies on simple, everyday ingredients such as small onion, thinly sliced, heavy cream, thyme leaves, divided and walnuts, coarsely chopped. It comes together quickly and makes 4 servings, at about 741 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Leave out the nuts to make it nut-free, or swap in seeds for a similar crunch.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Fennel Gratin With Walnut-Thyme Breadcrumbs

Tips for the best results

Variations & substitutions

My Personal Notes

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