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Roasted Fennel

Updated February 4, 2025 / By Holly Erickson & Natalie Mortimer

Adored for its melt-in-your-mouth flavor, with caramelized edges and tender insides, roasted fennel is a delicious and impressive side dish that couldn’t be simpler.

roasted fennel on a serving plate made with olive oil, salt, garlic powder and pepper
Photography by Gayle McLeod

Roasting fennel bulbs brings out all the tender, buttery notes we love and locks in all the moisture. If you’ve scrolled through roasted fennel recipes time after time and still haven’t found the one – bookmark this! You’ll never go back after! With only 5 ingredients and 20 minutes, this simple roast fennel recipe yields a restaurant-worthy side that’s vegan, low-carb, super-healthy, and a dream to serve with everything from Roast Chicken to Baked Salmon and beyond. For more simple, healthy roast veggie sides, try our Roasted Beets, Roasted Onions, or sweet Roasted Acorn Squash.

raw fennel bulbs on the counter to make roasted fennel

What Does Roasted Fennel Taste Like?

Fennel bulbs have a complex and rich flavor profile with notes of licorice, anise, and hints of mint! While it’s delicious shaved into a fresh, Easy Fennel Salad, roasted fennel has such a unique flavor. Roasted fennel has a buttery, caramelized flavor with very mild licorice notes while raw fennel provides a crunch and sweet, stronger licorice flavor like in our. We also love a sautéed version such as in our Spicy Gnocchi with Fennel and Mushrooms.

raw fennel sliced on a baking sheet tossed with olive oil, salt, garlic powder and pepper
roasted fennel on a serving plate made with olive oil, salt, garlic powder and pepper

How To Cut Fennel for Roasting

For our roast fennel recipe, we take big beautiful roast fennel bulbs and slice them right down the middle to slightly caramelize all the outer layers which create a beautiful centerpiece and vessel for garlic and olive oil. If you haven’t worked with fennel bulbs before, no worries. Here’s what to do:

  1. Start with a sharp knife. Always your best friend in the kitchen, and particularly when working with veggies.

  2. Take your fennel bulb and remove any stalks and leafy fronds. You can compost all of that, OR save the stalks to use in place of celery (think soups!) and fronds for a gorgeous, simple garnish.

  3. Next, sit your fennel wide-side-up, and slice it in half. It should look similar to the inside of an onion, with the slices running vertically.

  4. Now, lay the halves cut side down and cut into ½ -inch wedges or ⅓-inch wide half-moons for perfect slices. If you’re looking for a versatile root veggie, fennel roasted (or raw) is your gal.

raw fennel sliced on a baking sheet tossed with olive oil, salt, garlic powder and pepper
roasted fennel on a serving plate made with olive oil, salt, garlic powder and pepper

How to Roast Fennel, Step-By-Step

In less than 30 minutes, you’ll have perfectly soft and buttery pieces of caramelized fennel waiting to be enjoyed! Even those who might be licorice adverse have raved about this recipe – as you roast them, the anise/licorice flavors take a back seat.

  1. Crank that oven: We turn our oven up to 425°F in order to achieve the high heat, short time cooking method which produces a slightly sweet, tender interior.

  2. Season the fennel: We only use garlic, salt and pepper to keep the roast fennel the star of the show! Make it your own by shaving some Parm over the top or adding a few additional herbs, like a sprinkling of fresh thyme.

  3. Roast away! Spread out in a single layer so that each fennel slice will be equally tender and caramelized! Pro tip: If you love caramelization as much as we do, pop the broiler on for 1-2 minutes until the edges crisp up a tad. To avoid burning, don’t take your eyes off them!

roasted fennel on a baking sheet made with olive oil, salt, garlic powder and pepper

What to Serve With Roast Fennel

Slightly sweet, roasted fennel is great on its own but thanks to its sweet, earthy flavor, it goes with so many things!

roasted fennel on a baking sheet
roasted fennel on a serving plate made with olive oil, salt, garlic powder and pepper

Say Goodbye To The Winter Blues With Roast Fennel

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Roasted Fennel Recipe

  • Serves:  4
  • Prep Time:  5 min
  • Cook Time:  20 min
  • Calories:  95

Ingredients

  • 2 large fennel bulbs
  • 2 tablespoons extra-virgin olive oil
  • ½ teaspoon garlic powder
  • 1 teaspoon kosher salt
  • Freshly cracked black pepper, to taste

Method

  1. Preheat the oven to 425°F with a rack in the center position.

    raw fennel bulbs on the counter to make roasted fennel
  2. Trim the stalks and flat root base away from the fennel bulbs, reserve the fronds for garnish. Halve and cut into ⅓-inch wedges.

    raw fennel sliced on a baking sheet tossed with olive oil, salt, garlic powder and pepper
  3. Spread the wedges out on a large rimmed baking sheet. Drizzle with the olive oil. Sprinkle all over with the garlic powder, and salt, toss to combine.

    roasted fennel on a serving plate made with olive oil, salt, garlic powder and pepper
  4. Roast the fennel until tender and beginning to brown, about 20 minutes. Turn on the broiler and cook for another 2 minutes, until the edges are caramelized.

    roasted fennel on a serving plate made with olive oil, salt, garlic powder and pepper

Nutrition Info

  • Per Serving
  • Amount
  • Calories 95
  • Protein 2 g
  • Carbohydrates 9 g
  • Total Fat 7 g
  • Dietary Fiber 4 g
  • Cholesterol 0 mg
  • Sodium 208 mg
  • Total Sugars 5 g

Roasted Fennel

Questions & Reviews

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  • Kay

    Have never eaten fennel like this it was absolutely delicious. Took your advice and served it with lemon chicken and salad, yum!

    yay! glad you liked it!