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1
Preheat oven to 400 degrees , Heat a tablespoon of olive oil in a pan on high heat. Season the fillet with salt and pepper.
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2
cook the meat in the pan until it is well browned on all sides. then let cool.
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3
Once cooled, brush the meat with the mustard.
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4
In a food processor make puree from the mushrooms.
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5
Heat a large pan on medium high heat and cook the mushroom puree, allowing the mushrooms to release their juices .then set aside the mushrooms to cool a little.
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6
Lay the slices of the ham on a plastic wrap so that they overlap.
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7
Spread the mushroom mixture on the ham. Place the beef in the middle and then roll the mushroom and ham over the beef, using the plastic wrap.
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8
Wrap up the beef fillet into a barrel shape, twist the ends of the plastic wrap and put into the Refrigerate for about 30 minutes.
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9
On a floured surface, roll out the puff pastry sheet , The size should be big enough to wrap the beef, remove the plastic wrap from the beef and put the beef in the middle of the pastry dough.
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10
Fold the pastry around the beef and cut off the excess dough, Place on baking pan., and brush with beaten eggs all over the top.
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11
Make holes on the pastry with a sharp knife, Bake for 35-40 minutes. The pastry should become golden when done.
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12
Remove from oven and let rest for 15 minutes before serving. Slice it to 1-inch slices.