Shin of Beef Stew

Ingredients

• Olive oil
• 2 red onions , peeled and roughly chopped
• 3 carrots , peeled and roughly chopped
• 3 sticks celery , trimmed and roughly chopped
• 4 cloves garlic , unpeeled
• a few sprigs fresh rosemary
• 2 bay leaves
• 1 small handful dried porcini
• 1 stick cinnamon
• 1 kg quality shin of beef , bone removed, trimmed and cut into 5cm pieces
• sea salt
• freshly ground black pepper
• 1 tablespoon flour
• 2 x 400 g good-quality tinned plum tomatoes
• 2⁄3 bottle Chianti