Roast Pork Loin with back

2 tablespoons olive oil 1 tablespoon butter 2 1/2 lbs boneless pork loin roast , net removed and retied with kitchen string 1 medium onion , chopped 3/4 cup[...]

1 center-cut pork loin, with 8 rib chops (bones cracked by the butcher for easy carving later) 1 clove garlic , very thinly sliced (we use more) 2 sprigs[...]

1 ounce sage 2 cloves garlic crushed 1/4 cup olive oil 1/4 teaspoon black peppercorns crushed * 2 pounds pork loin 2 cups beef stock prefer veal stock if[...]