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Caramelized fennel with sweet onions

by Ari
Karamellisierter Fenchel mit süßen Zwiebeln

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Caramelizing onions is one thing, but adding fennel brings another dimension to this dish with its sweet aniseed bite. Not to mention that it smells amazing while cooking. So impress your friends by adding caramelized fennel with sweet onions to their dishes. Caramelized Fennel is a great side dish with a sweet taste and hint of anise, you will be impressed.

For the Caramelized Fennel with Sweet Onions, the fennel and onions are first sautéed and then slowly cooked until caramelized to a lovely brown. Finally, it is refined with Parmesan, lemon and freshly chopped parsley.

Caramelized fennel with sweet onions
Caramelized fennel with sweet onions

Buying fresh fennel, what should you pay attention to:

  • Tubers are clean, firm, with no signs of cracking, bruising, or brown spots
  • Fennel bulbs should always be whitish or light green in color
  • The stems are straight, green and close around the bulb
  • there are no signs of flowering buds (flowering means they are mature)
  • The aroma of the fragrance should be slightly like liquorice or anise

Fennel storage

You can keep fresh fennel in the fridge for about 4 days.

Caramelized fennel with sweet onions
Caramelized fennel with onions

if you like our vegan caramelized fennel with sweet onions, you might also be interested in these recipes:


[two_third]This recipe was inspired by Yotam Ottolenghi ‘s “Caramelized Fennel with Goat Quark” from his book ” Delightful Vegetarian *”. The book is filled with delicious full-page photos and vegan vegetarian recipes. The Israeli-born, London-based chef focuses on simple, fresh and uncomplicated dishes with Mediterranean flavors. Sounds simple and ordinary, but it is anything but. [two_third_last]

Karamellisierter Fenchel mit süßen Zwiebeln

Caramelized fennel with sweet onions

Caramelized Fennel with Sweet Onions is a vegetarian recipe that magically goes from ordinary to extraordinary.
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Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Course Appetizers & Snacks, garnish, Oven baked vegetables
Cuisine Mediterranean
Servings 2 portions
Calories 255 kcal


cutting board*
grill pan*
Parmesan grater*


  • 2-3 fennel bulb
  • 1 Red onion large, a white onion also works
  • 2 tbsp. native olive oil*
  • 1 tbsp. butter or vegetable margarine
  • zest of half a lemon or orange zest
  • juice of half a lemon or 2 tsp orange juice
  • 2 tbsp. Parmesan* finely grated
  • kosher salt*
  • Black pepper*
  • 1 small bunch parsley
  • 1 small Bunch of basil


  • Wash the fennel, remove the stalks (dispose of) and put the fine green part aside, halve the bulb and cut into wedges about 0.5 cm thick.
    2-3 fennel bulb
  • Peel the red or white onion and cut into 0.5 cm thick slices.
    1 Red onion
  • Heat the olive oil and butter in a large skillet over medium-high heat. Add the fennel and onions and sauté slowly for 10 minutes, stirring occasionally. Then salt.
    2 tbsp. native olive oil*, kosher salt*
  • Reduce the heat a little more, so the pan is hot enough to start the caramelization, but not too hot that the fennel and onions dry out. If this happens, add a tablespoon or two of water.
    1 tbsp. butter
  • Stir occasionally and scrape any bits off the bottom. These brown parts are the ones that bring the most flavor.
  • Cook everything for 30 minutes or up to an hour, depending on how impatient you are or until the consistency suits you.
  • The longer the fennel cooks, the more caramelized the fennel and onions will become.
  • Meanwhile, rinse and shake dry the parsley and basil. Finely chop the parsley. Cut the basil into fine strips just before serving.
    1 small bunch parsley, 1 small Bunch of basil
  • To serve, remove pan from heat, add grated parmesan, chopped parsley, finely chopped basil, lemon zest and lemon juice. Season with freshly ground black pepper.
    juice of half a lemon, 1 small bunch parsley, 1 small Bunch of basil, zest of half a lemon
  • Serve garnished with the reserved fresh fennel greens and lemon wedges.


Serving: 1Port.Calories: 255kcalCarbohydrates: 15gProtein: 5gFat: 20g
Keyword caramelized fennel, Oven baked vegetables, quick vegetarian dishes, sweet onions, vegetarian
Tried this recipe?Mention @ArisFoodblog or tag #ArisFoodblog!

Pin this recipe for the vegan caramelized fennel with sweet onions on Pinterest and cook later!

Caramelized fennel with sweet onions
roasted fennel with sweet onions

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