Pressure Cooker Pork Osso Buco

Ingredients

• Osso Buco

  • 2.2 lb (1 kg) pork shank slices, each about 1 inch (2.5 cm) thick (about 6 slices total)
  • 2 tbsp (30 ml) olive oil
  • 1 onion, finely chopped
  • 2 celery stalks, chopped
  • 2 carrots, chopped
  • 3 garlic cloves, chopped
  • 2 tbsp unbleached all-purpose flour
  • 1/2 cup (125 ml) dry white wine
  • 1 cup (250 ml) veal broth
  • 1/4 cup (60 ml) tomato paste
  • 1 thyme sprig

• Gremolata

  • 2 lemons, zest finely grated
  • 1/4 cup (10 g) flat-leaf parsley, finely chopped
  • 1 garlic clove, very finely chopped