Leek and Ham Gratin

Leek and Ham Gratin is a easy French recipe that serves 4. 330 calories per serving. Recipe by La Cuisine de Lynoucha on YouTube.

Prep: 30 min | Cook: 30 min | Total: 1 hr 15 min

Cost: $7.65 total, $1.91 per serving

Ingredients

  • 4 pieces Leeks (white part only, cut in half lengthwise)
  • 500 ml Whole milk (cold)
  • 2 tablespoons Cornstarch (or 20 g)
  • 1 pinch Salt
  • 1 pinch Black pepper
  • 1 pinch Nutmeg (optional)
  • 30 g Butter (unsalted)
  • 100 g Grated cheddar cheese (or Gruyère)
  • 8 slices Cooked ham (Paris ham style, thin)
  • 2 tablespoons Fresh parsley (chopped, for garnish)

Instructions

  1. Prepare the leeks

    Cut the white part of the leeks in half lengthwise, rinse them thoroughly and soak them in salted water for 20 minutes.

    Time: PT20M

  2. Drain and dry

    Drain the leeks, dry them with a clean kitchen towel or paper towel.

    Time: PT5M

  3. Mix cornstarch and milk

    In a bowl, whisk the cornstarch into the cold milk, add salt, pepper and a pinch of nutmeg.

    Time: PT2M

  4. Cook the béchamel

    Pour the mixture into a saucepan, heat over medium heat while stirring constantly until thickened (about 10 minutes).

    Time: PT10M

  5. Incorporate butter and cheddar

    Remove the saucepan from the heat, add the butter in pieces then the grated cheddar. Stir until the cheese melts completely.

    Time: PT3M

  6. Wrap leeks in ham

    Take each half‑leek, wrap it in a slice of ham and roll gently to form a small roll.

    Time: PT5M

  7. Assemble the gratin

    Place the leek‑ham rolls in a rectangular gratin dish, pour the béchamel evenly over them.

    Time: PT5M

  8. Bake

    Bake the dish in a pre‑heated oven at 200°C for 20 minutes, until the top is nicely golden.

    Time: PT20M

    Temperature: 200°C

  9. Finish and serve

    Remove the gratin, sprinkle with chopped fresh parsley and serve immediately, accompanied by a green salad.

    Time: PT2M

Nutrition Facts

Calories
330
Protein
15 g
Carbohydrates
20 g
Fat
18 g
Fiber
3 g

Dietary info: gluten-free, high protein, low-carb, low-calorie

Allergens: milk, cheese

Last updated: April 7, 2026

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Leek and Ham Gratin

Recipe by La Cuisine de Lynoucha

A hearty gratin of leeks wrapped in ham, topped with a light cheddar béchamel. Simple, quick and perfect with a small winter salad.

EasyFrenchServes 4

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Source Video
42m
Prep
30m
Cook
10m
Cleanup
1h 22m
Total

Cost Breakdown

$7.65
Total cost
$1.91
Per serving

Critical Success Points

  • Soak the leeks for 20 minutes to remove bitterness.
  • Cook the béchamel until thickened without lumps.
  • Baking: monitor the gratin’s color.

Safety Warnings

  • Handle the hot oven (200°C) with kitchen gloves.
  • The béchamel is very hot; avoid splatters.

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