01 October 2026
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THE UNIVERSAL GASTRONOMY AUTHORITY
World Kitchen Journal
Onion and Emmental Lasagna
The Kitchen
By Claire Beaumont, the Technique desk · Italia · 2 min ·

Onion and Emmental Lasagna

Procedure

Ingredients · Servings 8
  • 1 kg white onions
  • 300 g Emmental
  • Thin sheets of pasta
  • 150 g Butter
  • 150 g 00 flour
  • 1.5 lt fresh milk
  • Extra virgin olive oil
  • Sale
  • Baby
  • Nutmeg
Method · 2 h
  1. Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes. In a saucepan,...
  2. Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes. In a saucepan,...
  3. Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes. In a saucepan,...
  4. Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes. In a saucepan,...
  5. Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes. In a saucepan,...
  6. Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes. In a saucepan,...

Finely chop the white onions and sauté them in oil, adding salt, pepper, and half a glass of water, and cook for at least 40 minutes.

In a saucepan, melt the butter, add the 00 flour and stir, gradually pour in the milk, stirring constantly to obtain a creamy white sauce.

Once the béchamel has thickened, add salt, pepper, and nutmeg to taste.

Grate the Emmental and pour the onions, béchamel sauce, and Emmental into a bowl and mix well.

In the base of a baking dish, place a little onion mixture, a layer of pasta sheets, a layer of mixture and repeat, alternating the layers.

Bake in a preheated oven at 180°C for about 40 minutes or until the surface is golden.

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