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Gratin de poireaux
Leek gratin
Gratin de poireaux: northern French braised leeks baked in béchamel with Comté
Gratin de poireaux is the winter comfort dish of northern France, from Picardy to Flanders, where leeks grow through the cold months and turn up at almost every family supper. The leeks are gently braised in butter until sweet, laid in a dish, covered with a nutmeg béchamel and grated Comté and baked until golden. Comté is made with animal rennet and raw milk; use a vegetarian or pasteurised hard cheese if needed. The common mistake is leaving grit in the leeks; wash them well between the layers. Chef's tip: braise the leeks covered with a splash of water before baking; they turn silky and never squeak.
- Total time
- 45 min
- Difficulty
- easy
- Serves
- 4
Ingredients
- 6 leekstrimmed and well washed, cut in 6 cm lengths
- 2 ⅛ oz butterdivided
- 4 tbsp water
- ¾ tsp salt
- 1 ¼ oz plain flour
- 2 cups whole milk
- 1 pinch ground nutmeg
- ½ tsp black pepper
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Method
0/3 doneStep 2: Melt the rest of the 1 ⅜ oz butter, stir in the 1 ¼ oz plain flour for 1 minute, then whisk in the 2 cups whole milk gradually and simmer for 5 minutes until thick. Season with 1 pinch ground nutmeg, ½ tsp black pepper and the rest of the ⅜ tsp salt, and stir in half the 1 ⅜ oz grated Comté or vegetarian hard cheese.
8 minStep 3: Pour the sauce over the leeks, scatter with the rest of the 1 ⅜ oz grated Comté or vegetarian hard cheese and bake for 18–20 minutes, until bubbling and golden brown.
20 min
Nutrition per serving
- Calories
- 330 kcal
- Protein
- 13 g
- Carbs
- 22 g
- Fat
- 21 g
- Fibre
- 3 g
Nutrition values are estimates.
KrazyBadal
Good to know
- How long does gratin de poireaux take?
- About 45 minutes in total: 15 minutes to prepare and 30 minutes to cook.
- How many people does it serve?
- 4 as written. Change the servings above the ingredients and every amount scales to match.
- Is it vegetarian?
- Yes. It has no meat or fish.
- What can I use instead of leeks?
- 1 onion per leek.
- What can I use instead of butter?
- The same weight of ghee or coconut oil (for frying and most baking).
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