Beef Wellington
["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"]
["*May substitute venison tenderloin."]
["trimmed beef tenderloin", "freshly ground pepper", "butter", "mushrooms", "parsley", "basil", "tarragon", "thyme", "frozen puff pastry sheets", "egg", "parsley"]