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Mornay

Béchamel with Gruyère and a yolk. The gratin sauce — it browns where other sauces only dry out.

Time
Servings4
DifficultyEasy
EquipmentSaucepan, whisk, grater
Mother sauceBéchamel
  • 500 ml — whole milk
  • 25 g — butter
  • 25 g — plain flour
  • 60 g — Gruyère, grated
  • 20 g — Parmesan, grated
  • 1 pc — egg yolk
  • 1 pinch — nutmeg, grated
  1. Make a Béchamel and take it off the heat. Stir in both cheeses while it is hot but not boiling — boiled cheese goes stringy and weeps fat.
  2. Whisk the yolk into a spoonful of the sauce first, then stir that back in. Straight into the pan, the yolk sets in threads.

Gratins, cauliflower cheese, eggs Florentine, croque-monsieur.

Compared with Béchamel

Béchamel

  • Added: Gruyère, grated 60 g, Parmesan, grated 20 g, egg yolk 1 pc
  • Not used: onion, clove, bay leaf, salt, white pepper
  • Same amount: whole milk 500 ml, butter 25 g, plain flour 25 g, nutmeg, grated 1 pinch

Both recipes serve 4.

  • One serving (1 of 4): whole milk 125 ml, butter 6.25 g, plain flour 6.25 g, Gruyère, grated 15 g, Parmesan, grated 5 g
  • Double batch (8 servings): whole milk 1,000 ml, butter 50 g, plain flour 50 g, Gruyère, grated 120 g, Parmesan, grated 40 g, egg yolk 2 pc

In the same library

Source · Mirepoix · Auguste Escoffier, Le Guide Culinaire (1907), no. 63

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