Beef Wellington: step by step recipe - Cookovery

Ingredients

• 800 gram steak; one piece
• 250 gram chestnut mushrooms; chopped
• 4 cloves garlic; chopped
• mustard;
• 5 gram thyme; only the leaves
• 8 slices raw ham;
• 250 gram puff pastry;
• olive oil;
• pepper;
• salt;
• 1 egg; beaten