Pork Tenderloin En Croute Recipe

Ingredients

• MUSHROOM DUXELLE:
• 1 1/2 teaspoons unsalted butter
• 1 pork tenderloin - (abt 1 1/2 lbs)
• 1 tablespoon Essence (see Bayou Blast recipe)
• 1 sheet prepared puff pastry defrosted
• 1 large egg
• 1/4 cup Creole mustard (or any whole-grain mustard)
• 6 tablespoons unsalted butter
• 3/4 cup minced shallots
• 1 tablespoon minced garlic
• 3 pounds white button mushrooms wiped clean, stemmed and finely chopped
• 3/4 teaspoon salt
• 1/2 teaspoon freshly-ground white pepper
• 3/4 cup white wine
• 1 tablespoon soy sauce
• 1 tablespoon balsamic vinegar
• 1 tablespoon Worcestershire sauce