MINI BEEF WELLINGTON BITES

Mini Beef Wellington Bites image

Provided by Jeff Mauro, host of Sandwich King

Time 1h40m

Yield 20 pieces

Number Of Ingredients 22

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Ingredients

8 ounces white button mushrooms, stem ends trimmed, long stems separated from caps
1 clove garlic, roughly chopped
1 shallot, roughly chopped
1 teaspoon fresh thyme leaves
2 tablespoons unsalted butter
1 tablespoon sherry
Kosher salt and freshly ground black pepper
All-purpose flour, for dusting
1 sheet frozen puff pastry, thawed
1 large egg, beaten
4 ounces thinly sliced prosciutto, cut into 3-inch squares
1 tablespoon vegetable oil
12 to 16 ounces beef tenderloin, cut into twenty 1-inch cubes
2 teaspoons Dijon mustard
Creamy Horseradish Sauce, recipe follows
3 tablespoons finely chopped fresh chives
1/2 cup mayonnaise
1/2 cup sour cream
1/4 cup prepared horseradish
2 teaspoons honey
2 teaspoons Dijon mustard
Kosher salt and freshly ground black pepper

Steps:

Preheat the oven to 400 degrees F. Line a baking sheet with parchment paper and set aside.
To the bowl of a food processor, add the mushrooms, garlic, shallots and thyme. Pulse until finely chopped.
To make the duxelles, in a large skillet over medium heat, melt the butter. Add the mushroom mixture and sherry and cook, stirring occasionally, until the liquid released from the mushrooms has mostly evaporated, 7 to 8 minutes. Season with salt and pepper, then transfer to a sheet pan or large bowl. Refrigerate until cool.
On a lightly floured surface, roll the pastry sheet into a 10- by-12-inch rectangle. Cut into twenty 2 1/2-inch squares. Place the squares on the prepared baking sheet about an inch apart. Prick each square all over with a fork (leaving about a half inch from each edge untouched).
In a small bowl, beat the egg and 1 tablespoon water together. Use a pastry brush to brush the top of each square of pastry with the egg wash. To each square, add one piece of prosciutto, then gently press 1 heaping teaspoon of the duxelles into the center. Bake until the puff pastry is golden brown, about 15 minutes.
Heat the oil in a medium skillet over high heat. Sprinkle the beef cubes with a large pinch of salt and a few grinds of black pepper and toss with the mustard. Add to the skillet and cook until browned all over, 4 to 5 minutes.
Transfer the pastries to a platter, then add one piece of beef to the center of each pastry, gently pressing down to nestle the beef into the pastry. Drizzle with the Horseradish Sauce, then garnish with the chives.
In a medium bowl, mix together the mayo, sour cream, horseradish, honey and mustard. Taste and season with salt and pepper.