Beef Wellington

• 2 arrowroot
• 2 black truffles
• 1 egg (white)
• 1 egg yolk with (beaten)
• 1 d watercress for (garnish)
• 1/2 pate de foie gras
• 1/2 sercial madeira
• 1,600 gr beef fillet
• 180 gr puff pastry
• 120 gr mushrooms