Pork Medallions in Wine Sauce with balsamic

1 1/4 lbs pork tenderloin, sliced into 1/2-inch thick medallions 1/2 teaspoon salt , divided 1/4 teaspoon pepper 3 teaspoons olive oil , divided 2 tablespoons[...]

1 1/4 lbs pork tenderloin 2 teaspoons olive oil 2 tablespoons butter 1/4 teaspoon salt black pepper (to taste) 2 tablespoons shallots (minced) 1/2 lb mushroom[...]

18 ounces pork loin 2 cups fresh sliced mushrooms 2 teaspoons butter 1 tablespoon olive oil 1/2 cup chicken stock 2 tablespoons balsamic vinegar 2 teaspoons[...]