Ingredients for 6 servings

  1. 1 piece of farm veal knuckle, approximately 1.4 kg
  2. 250 g onions (Cévennes or Roscoff varieties) peeled and finely sliced
  3. 250 g button mushrooms cleaned and cut into small dice (duxelles)
  4. 2 tablespoons heavy cream
  5. 2 whole shallots
  6. 1 shallot, minced
  7. A pinch of fresh thyme flowers
  8. 50 g cultured butter
  9. Salt and freshly ground pepper

For the Béchamel sauce:

  1. 40 g butter
  2. 40 g flour
  3. 50 cl whole milk
  4. 3 egg yolks
  5. 150 g freshly grated Parmesan
  6. Salt, freshly ground pepper and nutmeg