Ingredients for 6 servings

  • A beef tenderloin heart (uniform thickness from end to end)
  • 2lbs (1 kg) beef tenderloin
  • 2 tbsp (30 g) butter
  • salt and freshly ground pepper
Dijon Mustard
  • 16 thin slices of prosciutto or cured ham depending on size
Mushroom Filling:
  • 1/2 lb (220 g) button mushrooms
  • 1/2 lb (220 g) cremini mushrooms (large open button mushrooms with brown color)
  • salt and pepper
  • 2 French shallots
  • 2 garlic cloves, germ removed
  • 1 tbsp (30 g) Dijon Mustard
  • 1 tbsp (1.5 cl) olive oil
  • 1 lb (500 g) puff pastry with butter
flour as neededEgg wash: 1 egg yolk,
  • 1 pinch of salt a little water
Sauce:
  • 2 French shallots, thinly sliced
  • 1 garlic clove, germ removed and finely minced
  • 1 tbsp (5 cl) olive oil
  • 2 cups (45 cl) beef broth
  • 1 cup (23 cl) demi-glace
  • 1/2 cup (12 cl) port
  • 1/2 cup (12 cl) sparkling white wine
  • a pinch of thyme flowers
  • 1 to 2 tbsp (15 g to 30 g) Dijon mustard
  • 2 tbsp (30 g) fresh parsley, finely chopped
  • salt and freshly ground pepper
  • 1/4 cup (60 g) heavy cream 30% during cooking