📌 Smoked Salmon and Endive Gratin

Posted 3 April 2026 by: Admin #Recipes

Prep Time

20 minutes

Cook Time

40 minutes

Total Time

1 hour

Servings

4 servings

Endives are often the vegetable we avoid — too bitter, too sad, too ‘diet-friendly.’ Wrapped in smoked salmon and smothered in a lemony cream, they become something entirely different. An elegant gratin, ready in an hour, that rivals any Sunday feast.

Final result — The gratin comes out of the oven perfectly golden — exactly what you want to see on a weeknight.

What comes out of the oven is a light caramel-colored dish on top, with edges that have slightly caught and cream that’s still bubbling away. The scent of lemon mixes with grilled cheese — it smells like the kitchen of someone who knows what they’re doing. Beneath the crust, the endives have totally lost their firm texture; they melt. As for the smoked salmon, it has lost its raw edge to become almost silky.

Why you’ll love this recipe

✓Ready in exactly one hour : Twenty minutes of prep, forty in the oven. While it cooks, you can do something else.

✓It looks like a chef’s dish : The endive-salmon-lemon combo is something few people think to make. At the table, it impresses without you having to suffer in the kitchen.

✓The bitterness of the endives disappears : If you hate raw endives, try this gratin. The oven’s heat completely transforms their character — leaving only a meltingly soft and sweet vegetable.

✓No technical sauce to master : The lemony cream is just three ingredients mixed in a bowl. No roux, no risk of lumps, no monitoring with a whisk.

Ingredient Notes

Ingredients

Endives, smoked salmon, thick cream, and lemon: four ingredients that already do all the work.

The endives : Choose medium-sized ones. An endive that’s too big stays firm at the core even after cooking. In season — autumn and winter — they are naturally less bitter. Remove the small hard cone at the base with the tip of a knife; that’s enough to calm their character.
The smoked salmon : No need for overpriced salmon here — it’s going to cook for forty minutes in the oven, so its fine nuances will disappear anyway. Classic supermarket smoked salmon works perfectly. Get slices wide enough to wrap the endives neatly.
The thick crème fraîche : Thick, really — not liquid. Heavy cream or liquid cream will soak the bottom of the gratin and the whole dish becomes watery. Thick crème fraîche holds up during cooking, coating and gratinating perfectly. If you want to lighten it up, half thick cream and half Greek yogurt works well.
The lemon : Juice and zest, both without exception. The zest brings the fragrance, the juice brings the acidity that balances the fat of the cream and the salt of the salmon. Start with half a lemon and taste before adjusting — it’s better to add more than to over-acidify everything at once.
The grated cheese : Gruyère for a melting golden crust, Parmesan for something drier and crunchier. A mix of both gives the best of both worlds. Be generous — it’s what creates that crust we all look for.

Endives first — that’s where everything is decided

This is the step many skip, and it’s the main reason why gratins end up liquid. Endives must be cooked before going into the oven. Steaming for 15 minutes is the gentle method. Pan-frying with a little butter for 10 to 12 minutes over medium heat until the sides turn slightly amber is the method that adds more flavor. In both cases, they must be very tender under a fork. Then place them on paper towels for a few minutes. An endive soaked in water means a failed gratin before you’ve even started.

The lemony cream in two minutes

In a bowl, mix thick crème fraîche, lemon juice, grated zest, finely chopped shallot, salt, and pepper. Mix until the texture is smooth and homogeneous. Taste it. The lemon should be felt, but not dominate. A pinch of grated nutmeg at this stage, if you have some, brings something warm and slightly spicy that integrates really well with the salmon. The raw shallot will melt completely in the oven — you won’t feel the small pieces anymore.

The assembly — the only moment that requires a little care

Wrap each endive in a slice of smoked salmon. No need to squeeze tight. Arrange them tightly in a lightly buttered gratin dish — side by side, with no space between them. They hold together better this way and won’t unroll during cooking. Pour the lemony cream over the top, making sure each endive is well coated, including the corners of the dish. Sprinkle the grated cheese generously. This is what will form that light caramel-colored crust we’re looking for.

Forty minutes — and don’t touch a thing

Oven at 180°C, middle rack, forty minutes. For the first ten, nothing happens. Then you hear a slight crackling — the cream starts bubbling at the edges. Around the thirtieth minute, the cheese melts and begins to brown. If after 40 minutes the crust still seems too pale, pop it under the grill for two minutes — but don’t take your eyes off the oven, it burns in seconds. What you want: a light caramel-colored surface, edges slightly caught on the dish, and a cream that has thickened and enveloped each endive.

Tips & Tricks

Really dry the endives well after pre-cooking — this is the only real cause of a gratin that turns into soup. Two minutes on paper towels, non-negotiable.
Don’t salt before tasting the cream: the smoked salmon and cheese already provide a lot of salt. You risk ending up with a dish that’s too salty without realizing it.
A few sprigs of fresh dill just before serving really change things — it reinforces the seafood side of the dish and the freshness contrasts well with the richness of the cream.

Close-up — The melted Gruyère and lemony cream form a golden layer that you’ll scrape off until the last bite.

FAQs

How do I prevent the gratin from being too watery?

The main cause is almost always poorly drained endives. After steaming or pan-frying, let them rest for 2 to 3 minutes on paper towels before wrapping them in salmon. It is imperative to use thick crème fraîche, never liquid cream.

Can I prepare this gratin in advance?

Yes, and it’s quite practical. Assemble the whole dish the day before — wrapped endives, cream poured, cheese sprinkled — and keep it in the refrigerator covered with plastic wrap. The next day, bake directly at 180°C, adding 5 minutes to the cooking time.

Can I freeze this gratin?

It’s technically possible, but the cream and endives don’t freeze well — the texture becomes grainy and watery after thawing. It’s better to keep it in the refrigerator for 2 to 3 days and reheat it in the oven at 160°C for 15 minutes to recover a texture close to the original.

Can I replace the smoked salmon with something else?

Yes. Thinly sliced chicken breast works well, especially if you quickly sear it in a pan before wrapping. For a vegetarian version, replace the salmon with thick slices of goat cheese and add some sautéed mushrooms to the bottom of the dish.

Will the endives stay bitter after cooking?

No. Pre-cooking in a pan or steaming, followed by 40 minutes in the oven, almost completely erases the bitterness. Removing the hard heart at the base (the small cone) before cooking also helps sweeten their taste naturally.

Which cheese works best for this gratin?

Gruyère gives a melting and golden crust, Parmesan a drier and crispier surface. A mix of 30g Gruyère + 20g Parmesan is the combination that gives the best visual and taste result.