Pressure Cooker Osso Buco - Canadian Food Focus

Ingredients

• 2 Tbsp butter, (divided)
• 4 slices beef centre cut shank, (each 1-inch (2.5 cm) thick (about 3lb/1.5 kg))
• 2 tsp salt
• 1/2 tsp fresh ground black pepper
• 1 onion, (finely diced)
• 2 carrots, (finely diced)
• 1 stalk celery, (finely diced)
• 3 cloves garlic, (sliced)
• 2 Tbsp tomato paste
• 1/2 cup dry red wine
• 1 cup drained canned diced tomatoes
• 1/2 cup beef broth
• 4 sprigs fresh thyme
• 2 sprigs fresh rosemary
• 2 bay leaves