Ingredients for 4 servings

  • 2 shallots, sliced (gray if possible)
  • 200 g of button mushrooms, peeled, cleaned and cut into small quarters (approximately 1cm)
  • 12 cl of white wine (petit chablis or aligoté)
  • 50 g of half-salted butter (30 g for the roux)
  • 30 g of sifted flour
  • 10 cl of 30% liquid cream
  • 2 egg yolks diluted with 5 cl of liquid cream
  • salt and ground pepper
  • coarse sea salt