Osso Buco

• 6 beef (or veal) osso bucco
• 1 tbsp flour
• 1 tsp salt
• 3 tbsp olive oil
• 2 carrots, finely diced
• 2 celery sticks, finely diced
• 1 onion, finely diced
• 3 garlic cloves, minced
• 2 tbsp tomato paste
• 700g tomato passata
• 2 cups beef stock
• 1/2 tsp black pepper
• 2 bay leaves
• Plain risotto, mashed potato or creamy polenta to serve

Gremolata

• 1/2 bunch flat leaf parsley, finely chopped
• Zest and juice of 1 lemon
• 2 tbsp olive oil
• 1/2 tsp salt