Pork Medallions

6 each pork loin chops, boneless, or center-cut chops, 1/2 inch thick * 1/2 cup tomato puree 2 tablespoons lemon juice 1 tablespoon vinegar rice or white 2[...]

2 pounds pork tenderloin trimmed 1 x salt and black pepper * 1 x flour, all-purpose as needed * 2 tablespoons butter, unsalted 2 tablespoons olive oil 1 cup[...]