Beef Wellington

Ingredients

• 1 (2 1/2 lb.) trimmed beef tenderloin*
• 1 Tbsp. freshly ground pepper
• 1/4 c. butter or margarine
• 1 c. fresh sliced mushrooms
• 1 tsp. chopped fresh parsley
• 1/2 tsp. dried basil
• 1/2 tsp. dried tarragon
• 1/2 tsp. dried thyme
• 1/2 (17 1/4 oz.) pkg. frozen puff pastry sheets, thawed
• 1 large egg, lightly beaten
• fresh parsley