- 1.
Beef Wellington:
- 2.
Preheat oven to 400°F (200°C).
- 3.
Season beef tenderloin with salt and pepper.
- 4.
Heat olive oil in a large skillet over high heat. Sear the beef on all sides until browned, about 2-3 minutes per side. Remove from skillet and let cool slightly.
- 5.
Brush the beef with Dijon mustard.
- 6.
In the same skillet, melt butter over medium heat. Add mushrooms and garlic and cook until softened and browned, about 8-10 minutes. Stir in sherry and parsley. Cook until the liquid has evaporated. Season with salt and pepper. Let cool.
- 7.
On a lightly floured surface, roll out the puff pastry to a 1/4-inch thickness. Spread the mushroom mixture evenly over the pastry.
- 8.
Place the beef on top of the mushroom mixture. Wrap the pastry around the beef, sealing the edges tightly with egg wash. Trim any excess pastry.
- 9.
Brush the entire Wellington with egg wash. Score the top of the pastry with a sharp knife.
- 10.
Bake for 35-45 minutes, or until the pastry is golden brown and the internal temperature of the beef reaches 130°F (54°C) for medium-rare.
- 11.
Let rest for 10 minutes before slicing and serving.
- 12.
Mashed Potatoes:
- 13.
Place potatoes in a large pot and cover with cold water. Bring to a boil and cook until tender, about 15-20 minutes.
- 14.
Drain the potatoes and return them to the pot. Mash with a potato masher or ricer.
- 15.
Heat heavy cream in a separate saucepan. Gradually add the warm cream and butter to the mashed potatoes, mixing until smooth and creamy. Season with salt and white pepper.
- 16.
Steamed Carrots:
- 17.
Place carrots in a steamer basket over boiling water. Cover and steam until tender-crisp, about 8-10 minutes.
- 18.
Toss steamed carrots with butter, salt, and pepper.
- 19.
Madeira Sauce:
- 20.
Heat olive oil in a saucepan over medium heat. Add shallots and cook until softened, about 3-5 minutes.
- 21.
Stir in flour and cook for 1 minute.
- 22.
Gradually whisk in beef broth and Madeira wine. Bring to a simmer and cook until the sauce has thickened, about 10-15 minutes.
- 23.
Stir in balsamic vinegar and butter. Season with salt and pepper.
- 24.
To Serve:
- 25.
Slice the Beef Wellington and serve with mashed potatoes, steamed carrots, and Madeira sauce.