Beef Wellington with Mushroom Sauce Recipe

Ingredients Beef- 16 ounces beef tenderloin steaks, (454g) filet mignon, (two 8-oz pieces) 1 1/2 to 2-inches thick 1 tablespoon dijon mustard, (15ml) 3 ounces prosciutto, 6 to 8 slices 1 frozen puff pastry sheet, Pepperidge Farm recommended 1 large egg yolk 1 tablespoon milk, (15ml) kosher salt, as needed for seasoning black pepper, as needed for seasoning Mushroom Filling- 8 ounces brown mushrooms, (227g), rinsed and dried 1 teaspoon olive oil, (15ml) 1/4 teaspoon kosher salt 1/8 teaspoon black pepper Mushroom Sauce- 2 tablespoons olive … Read more