Easy Individual Beef Wellington

Ingredients

• 2 (5-7 ounce) filets
• 6-8 slices prosciutto
• 1 teaspoon salt, divided
• 1 teaspoon pepper, divided
• 1/2 tablespoon olive oil
• 2 tablespoons butter
• 1 shallot, minced
• 8-ounces finely chopped baby bella mushrooms or button mushrooms
• 1 teaspoon fresh thyme leaves
• 2 tablespoons dry sherry wine
• 1 tablespoon fresh chopped parsley
• 2 tablespoons Dijon Horseradish Cream Sauce (see recipe below)
• 2 sheets puff pastry (approximately 13.2-ounces per sheet)
• Egg wash
• 2 tablespoons mayo
• 1 tablespoon freshly ground or prepared horseradish
• 1 1/2 teaspoons Dijon mustard
• 1 package (1.5-ounce) More Than Gourmet Demi-Glace
• 6-ounces beef stock
• 2 tablespoons white or red wine
• pinch of salt