Beef Wellington for Two

Ingredients for the beef:

• ½ teaspoon coarsely ground black pepper
• ½ teaspoon salt
• ¼ teaspoon dried thyme leaves, crumbled
• 2 tournedos of beef, 6 ounces (175 gram) each [we use filet mignon]
• 1 teaspoon Dijon mustard
• 1 tablespoon unsalted butter
• ¼ cup (60 ml) Potted Mushrooms
• 1 sheet frozen puff pastry, 10x8 inches (25x20 cm), 1/8 inch thick (3 mm)
• 1 egg
• 1 teaspoon milk

Ingredients for the Potted Mushrooms: