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Pork Tenderloin with Piquant Sauce
Pan-fried pork tenderloin halves with a reduced shallot, gherkin, caper and sherry sauce.
Method
Steps
Step 1
Preheat a conventional oven to 400°F. Put the ten quarts cold water in a very large stockpot with ample headroom and begin heating. Have a butcher clean and cut the two fresh raw white calf feet into small pieces. Put them in a roasting pan with the half pound raw ham cut into pieces, one pound veal bones, two carrots, two onions and two leeks, all sliced, the three branches parsley root and one celery branch, sliced. Add the ten cloves, four bay leaves, twenty whole allspice berries, two tablespoons whole black peppercorns, one teaspoon thyme and one and a half tablespoons salt. Spread about four tablespoons rendered pork lard over the vegetables and roast until the bones, meat and vegetables are golden, without burning.
Step 2
Transfer the complete roasted mixture to the stockpot and add the one pint canned tomatoes. Bring slowly to a boil and cook for thirty minutes. Cover, lower the heat and keep at a gentle simmer until the liquid has reduced by half. Before proceeding, check that the meat on the feet and the ham have each reached at least 70°C for two minutes, probing away from bone.
Step 3
In a second very large saucepan, heat the three ounces butter, stir in the six tablespoons flour and cook for twenty minutes, stirring regularly, until the roux is thoroughly brown. Carefully pour the hot stock mixture into the roux, mixing well. Keep at a very gentle simmer for twelve hours, stirring regularly and adjusting the heat to prevent catching.
Step 4
Mix in the half pint sherry, then strain through a clean fine conical strainer into clean heat-safe containers, removing all bones and aromatics. Measure one gill of the actual finished demi-glace for this sauce. Loosen that measured portion with a little hot ready-to-use unsalted veal broth until somewhat fluid, and keep all of it hot for immediate use. Rapidly cool the remaining demi-glace in shallow containers and refrigerate at 40°F or below within two hours; use within forty-eight hours or freeze.
Step 5
For the tomato sauce, dice the four ounces lean raw ham, slice two carrots and two onions, and chop one leek, two parsley branches, one celery branch, one green pepper and one garlic clove. Melt two ounces butter in a large saucepan. Add the ham and these vegetables with two cloves, one teaspoon whole peppercorns, half a bay-leaf sprig, half a thyme sprig, one tablespoon salt and one light tablespoon icing sugar. Cook over brisk heat for about twelve minutes, stirring, until lightly browned.
Step 6
Stir the four tablespoons flour into the sauce pan and cook for five minutes. Add the two quarts fresh ripe red tomatoes cut into quarters and one quart cold water. Mix, cover and simmer very gently for one and a half hours, stirring occasionally. The diced ham must be thoroughly cooked; check that its centre reaches 70°C for two minutes.
Step 7
Press the sauce through a sieve and then strain through clean food-safe cheesecloth. Measure the actual finished sauce portion needed below and keep it hot for immediate use. Divide the unused sauce into small shallow containers, cool rapidly and refrigerate at 40°F or colder within two hours; freeze for longer storage.
Step 8
Finely chop the six peeled medium shallots. Put them in a saucepan with the separate one teaspoon melted butter and heat well without browning.
Step 9
Finely chop the six gherkins, one good tablespoon capers, one additional garlic clove and one teaspoon fresh parsley. Add to the shallots with one saltspoon salt and one saltspoon white pepper. Add the separate two tablespoons sherry, one actual gill of the finished hot tomato sauce and all the loosened one-gill demi-glace portion. Stir and gently reduce by half, then keep hot for immediate use.
Step 10
Split the three medium fresh raw pork tenderloins lengthwise into six halves. Heat the separate one tablespoon butter in a wide frying pan. Add the pork without crowding and season with the separate one teaspoon salt and half teaspoon white pepper.
Step 11
Fry for about five minutes on each side, continuing until a food thermometer inserted into the thickest meat of every piece reads at least 145°F. Transfer with clean utensils to a hot dish and rest for at least three minutes.
Step 12
Pour the complete hot piquant sauce over the rested pork and serve promptly.
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