Ingredients for 8 servings

servings
  1. 20 g (0.7 oz) of semi-salted butter
  2. 1 tbsp of neutral oil
  3. 1 farmyard chicken of 1.8 kg (4 lb) cut into 8 pieces
  4. 1 diced onion
  5. 2 peeled and degermed garlic cloves
  6. 4 turns of freshly ground pepper
  7. 2 tsp of mild paprika
  8. 5 cl (1.7 fl oz) of marc, fine champagne or cognac
  9. 35 cl (1.5 cups) of dry white wine (Apremont, Roussette, or Alsatian Pinot Noir)
  10. 20 cl (0.8 cup) of light cream at 30%
  11. 150 g (5.25 oz) of grated cheese
  12. (Swiss gruyère, Comté, avoid Emmental)
  13. 2 tbsp of strong Dijon mustard
  14. 2 egg yolks