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1
Squeeze any excess water from the chopped spinach.
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2
In a medium bowl, mix the spinach with the Parmesan cheese, minced garlic and 2 tablespoons of the extra-virgin olive oil.
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3
Season with salt and pepper.
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4
Preheat the oven to 400.
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5
Set the pork loins on a work surface, opening them like a book, with the cut side up.
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6
Season the inside of the pork loins generously with salt and pepper.
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7
Cover the pork loins with a single layer of overlapping prosciutto slices; spoon the spinach filling into the center of the pork loins.
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8
Shape the filling into a thin log that runs along the center of each loin.
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9
Roll up the pork loins and tie them with kitchen twine at 1 1/2-inch intervals.
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10
Season the pork loins generously with salt and freshly ground pepper.
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11
Heat the remaining 1 tablespoon of extra-virgin olive oil in a very large ovenproof skillet until shimmering.
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12
Add the pork loins and cook over moderately high heat until they are browned all over, about 10 minutes.
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13
Transfer the pork loins to a large platter.
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14
Pour off any fat from the skillet and return it to high heat.
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15
Add half of the chicken stock and bring to a boil, scraping up any browned bits from the bottom of the pan.
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16
Return the pork loins to the skillet and roast them in the oven for 40 to 45 minutes, or until an instant-read thermometer inserted in the thickest part of the meat registers 145.
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17
Transfer the pork loins to a large cutting board, cover loosely with foil and let stand for 15 minutes.
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18
Pour the juices from the skillet into a small saucepan and skim off the fat.
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19
Add the remaining 3/4 cup of chicken stock to the skillet and set it over high heat.
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20
Add the wine, scrape up any browned bits from the bottom of the skillet and boil until reduced to a few tablespoons.
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21
Add the pan juices to the saucepan and bring to a boil.
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22
Whisk in the flour slurry and simmer until slightly thickened.
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23
Season with salt and pepper.
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24
Untie the pork loins and carve the meat into 1/2-inch-thick slices.
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25
Arrange the slices on plates, drizzle with the pan sauce and serve.