Ingredients for 4 servings

servings
  • 2 shallots, sliced (gray if possible)
  • 200 g (7 oz) of button mushrooms, peeled, cleaned and cut into small quarters (approximately 1cm)
  • 12 cl (0.5 cup) of white wine (petit chablis or aligoté)
  • 50 g (1.75 oz) of half-salted butter (30 g (1.1 oz) for the roux)
  • 30 g (1.1 oz) of sifted flour
  • 10 cl (0.4 cup) of 30% liquid cream
  • 2 egg yolks diluted with 5 cl (1.7 fl oz) of liquid cream
  • salt and ground pepper
  • coarse sea salt