Leeks with ham


Leeks with ham
In this recipe, we're going to treat leeks a bit like endives with ham, for a slightly atypical but delicious gratin with leek béchamel sauce.
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Last modified on: March 22th 2026
For 4 people, you will need:

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Times for this recipe
Preparation: 1 hour
Cooking: 40 min.
All in all: 1 hour 40 min.
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Step by step recipe


Stage 1 - ⌛ 3 min.
Leeks with ham : Stage 1
Grate 80 g Comté cheese and set aside.

Stage 2 - ⌛ 10 min.
Leeks with ham : Stage 2

Preparing leeks


Cut off the base of 4 leeks, then cut the stem down to the beginning of the green leaves, the part often called the "white".

Wash and dry the whites, and cut them to about the width of your gratin dish.

Reserve the green leeks for later.

Stage 3 - ⌛ 3 min.
Leeks with ham : Stage 3
Cut the egg whites in 2 lengthwise and season with salt.

Stage 4 - ⌛ 3 min.
Leeks with ham : Stage 4
Pour 4 tablespoons olive oil into a large frying pan over medium heat, and when hot, drop in the leek halves.

Stage 5 - ⌛ 8 min.
Leeks with ham : Stage 5
Brown them on both sides over low heat, to taste, then remove the pan from the heat and leave to cool.

Stage 6 - ⌛ 5 min.
Leeks with ham : Stage 6

Leek béchamel sauce


Prepare and chop the green leeks.

Stage 7 - ⌛ 10 min.
Leeks with ham : Stage 7
Pour 1 litre milk into a saucepan, add salt, leek greens and 2 cloves garlic, then cook over low heat for 10 minutes.

Stage 8 - ⌛ 2 min.
Leeks with ham : Stage 8
Pour the contents of the saucepan into a colander set over a salad bowl, and scoop out all the leek milk, pressing down on the leeks with the back of a tablespoon.

Remove and discard the garlic cloves, and set aside the green of the cooked leeks, which you can use for another recipe.

Stage 9 - ⌛ 20 min.
Leeks with ham : Stage 9
Use the leek milk to make a béchamel sauce, then add half the grated Comté cheese and set aside.

Stage 10 - ⌛ 2 min.
Leeks with ham : Stage 10

Assembling the gratin


Preheat your oven to 200°C (390°F).

Place a layer of béchamel sauce in the bottom of your gratin dish.

Stage 11
Leeks with ham : Stage 11
Reconstitute a leek by assembling 2 halves.

Stage 12
Leeks with ham : Stage 12
Roll it in a slice of ham.

Stage 13 - ⌛ 10 min.
Leeks with ham : Stage 13
And place in the dish, doing the same for all the leeks.

Stage 14 - ⌛ 2 min.
Leeks with ham : Stage 14
Top with a generous dollop of béchamel sauce, then sprinkle with the remaining grated Comté cheese.

Stage 15 - ⌛ 20 min.
Leeks with ham : Stage 15
Bake in the oven for around 20 minutes, giving a little broil at the end if necessary to get a nice color on the top.

Stage 16
Leeks with ham : Stage 16
Enjoy warm, but not hot.
Remarks
For a quicker version, as in the original recipe, leave the leek whites unsplit and steam them whole.

You can use cheeses other than Comté, but preferably a hard one (Gruyère, Emmenthal, etc.) to brown the top.
Keeping: 1 or 2 days in the fridge, protected by cling film.
Nutritional information
Proteins (gr)Carbohydrates (gr)Fats (gr)Energy value (in k-calories)Energy value (in k-joules)
Whole recipe130 RDI=50 %110 RDI=10 %180 RDI=30 %2,590 RDI=130 %10,840 RDI: 130 %
Per 100 g5 RDI=2 %5 RDI=0 %7 RDI=1 %120 RDI=6 %480 RDI: 6 %
Per person30 RDI=10 %30 RDI=3 %40 RDI=7 %650 RDI=30 %2,710 RDI: 30 %
The % figures are calculated in relation to the Recommended Dietary Intake , or RDI of 2,000 k-calories (or 8,400 k-joules) per day for a woman
Possible allergens in this recipe: milk
How much will it cost?
  • For 4 people : 6.75 €
  • Per person : 1.70 €

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Note: Be careful, these prices are only an estimate, you can consult the table of prices by ingredients used for this estimate.
This recipe uses (among others)
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