Beef Wellington with Mushroom Duxelles (Printable)

Tender beef fillet enveloped in mushroom duxelles and flaky puff pastry, baked to a golden finish.

# What You Need:

→ Beef Preparation

01 - 2.5 lb center-cut beef tenderloin, trimmed
02 - Salt and freshly ground black pepper
03 - 2 tbsp olive oil

→ Mushroom Duxelles

04 - 1 lb mixed mushrooms (cremini, button, or wild), finely chopped
05 - 2 shallots, finely chopped
06 - 2 cloves garlic, minced
07 - 2 tbsp unsalted butter
08 - 2 tbsp fresh thyme leaves, chopped
09 - Salt and pepper

→ Assembly Components

10 - 12 slices prosciutto
11 - 1 lb all-butter puff pastry, thawed if frozen
12 - 2 egg yolks beaten with 1 tbsp water (egg wash)
13 - 2 tsp Dijon mustard

→ Optional Garnish

14 - 1 tbsp chopped parsley

# Directions:

01 - Preheat oven to 425°F. Pat the beef tenderloin thoroughly dry with paper towels. Season generously on all sides with salt and freshly ground black pepper.
02 - Heat olive oil in a heavy skillet over high heat until smoking. Sear the beef on all sides until deeply browned, about 2-3 minutes per side. Remove from heat and let cool completely. Brush the seared beef all over with Dijon mustard.
03 - In a large skillet, melt butter over medium heat. Add shallots and garlic; sauté for 2 minutes until fragrant. Add chopped mushrooms and thyme. Cook, stirring frequently, until mushrooms release their moisture and the mixture becomes dry and paste-like, 10-15 minutes. Season with salt and pepper. Cool completely.
04 - On a large piece of plastic wrap, arrange prosciutto slices in a slightly overlapping rectangle to form a layer slightly larger than the beef. Evenly spread the cooled mushroom duxelles over the prosciutto, covering the surface.
05 - Place the mustard-coated beef in the center of the prosciutto-duxelles layer. Using the plastic wrap as an aid, roll tightly into a uniform log, wrapping the beef completely in the prosciutto and mushroom mixture. Twist the ends of the plastic wrap to seal tightly. Refrigerate for 30 minutes to firm.
06 - On a lightly floured surface, roll out the puff pastry to a rectangle large enough to fully enclose the beef log with excess for sealing. Remove the beef from plastic wrap and place in the center of the pastry. Brush the pastry edges with egg wash.
07 - Fold the pastry over the beef, overlapping slightly to create a tight seal. Trim excess pastry and crimp edges with a fork to secure. Place seam-side down on a parchment-lined baking sheet. Brush the entire surface with egg wash. Optionally create decorative cutouts from pastry scraps and attach with egg wash.
08 - Refrigerate the wrapped beef for 15 minutes to firm the pastry. This step helps maintain distinct layers and ensures even baking.
09 - Bake in the preheated oven for 40-45 minutes, or until the pastry is deep golden brown and an instant-read thermometer inserted into the center of the beef registers 122°F for medium-rare.
10 - Remove from the oven and let rest for 15 minutes before slicing. This allows the juices to redistribute. Slice into thick portions and garnish with chopped parsley if desired.

# Expert Suggestions:

01 -
  • The contrast between shattering crisp pastry and meltingly tender beef feels like eating luxury
  • Mushroom duxelles transform humble fungi into something intensely savory and sophisticated
  • It's the ultimate showstopper that makes dinner guests feel genuinely spoiled
02 -
  • The mushroom duxelles must be completely dry before using or you'll end up with soggy pastry
  • Chilling the wrapped beef before enclosing in pastry helps maintain distinct layers and clean edges
  • Use a thermometer rather than guessing—there's nothing sadder than overcooked Wellington
03 -
  • Place a baking sheet on the rack below to catch any butter drips and keep your oven clean
  • If the pastry browns too quickly, tent loosely with foil for the last 10 minutes
  • A thin layer of crepe or blanched spinach between duxelles and prosciutto prevents sogginess

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