Fennel and Potato Gratin

A gratin is more than just comfort food! Potato gratin is traditionally French but there are plenty of possible variations resulting in different versions of this dish. It can be a hearty side dish, and it pairs well with any meat or fish dish or it can even be served on its own.

fennel potato gratin

The combination of fennel and potatoes with the creamy béchamel soften the flavour of the fennel. It’s a dish that can be prepared in advance and warmed in the oven with a generous sprinkle of parmesan cheese just before serving.

As said above, it can be eaten on its own but it pairs very well with any fish or meat dish.

What does fennel taste like?

Did you know that fennel is a flowering plant species in the carrot family? This perennial herb with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world. The fennel bulb is mostly used when cooking and has a sweet, anise-like flavour. Combined with other ingredients, this anis-like taste reduces drastically and is very mild.

Every part of fennel it is edible, raw or cooked, from the bulb to the flowers. It is a perfect ingredient for salads, soups and stews.

fennel and potato
fennel potato gratin

Fennel and Potato Gratin

The combination of fennel and potatoes with the creamy béchamel soften the flavour of the fennel.
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Prep Time 45 minutes
Cook Time 30 minutes
Total Time 1 hour 15 minutes
Course Side dishes, Vegetarian
Cuisine International
Servings 4 people
Calories 290 kcal

EQUIPMENT (click pictures for details)



Prepare the fennel

  • Cut the fennel lengthwise into 6 quarters, discard the green shoots.
  • Put 2 tbsp olive oil, the bay leaf, thyme and the crushed garlic in a large saucepan and arrange the fennel wedges on top with 100 ml water. Season with salt and pepper.
    cooking fennel with aromats
  • Place the saucepan on the stove and cook the fennel with the lid on until soft and tender
    cooked fennel confit

Prepare the gratin

  • Peel the potato and cut into 4 to 5 mm slices. Use a brush to grease the bottom and sides of the baking dish with soft butter.
    all ingredients of fennel potato gratin
  • Place the béchamel sauce on the bottom of the baking dish.
    Bechamel sauce pouring in oven dish
  • Align the cooked potato slices and fennel wedges on the béchamel sauce.
    organising fennel and potato
  • Sprinkle grated parmesan cheese on top.
    fennel potato gratin adding cheese
  • Bake at 180°C for 25-30 minutes until golden brown on top and serve immediately.
    fennel potato gratin


  • Étuver is a French culinary word which means cooking vegetables under cover in a small amount of water or fat over a low heat until soft and tender.
  • Choose fennel that is bright white and has no discoloration or soft spots.

Nutrition for 1 portion

Calories: 290kcalCarbohydrates: 10gProtein: 8gFat: 25gCholesterol: 20mgSodium: 1180mgFiber: 1gSugar: 5gVitamin A: 785IUVitamin C: 1mgCalcium: 205mgIron: 1mg
Keyword fennel, gratin, oven dish, potatoes
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