Ingredients:
| 3 1/2
| lbs | Beef Fillet, Tied And Larded | | 3/4
| lbs | Mushrooms, Finely Chopped | | 2 1/2
| tbsp | Unsalted Butter | | 1/2
| lbs | Pate De Foie Gras * | | 1
| lbs | Puff Pastry | | 1
| | Egg White, Beaten | | 1
| | Egg Yolk Beaten ** | | 1/2
| cup | Sercial Madeira | | 2
| tsp | Arrowroot *** | | 1/2
| cup | Beef Broth | | 2
| tbsp | Black Truffles **** | | | Watercress For Garnish |
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