Sous Vide Lamb Ragu

Ingredients

• 2 bone-in lamb shanks (about 2 pounds)
• 1 (14.5-ounce) can diced tomatoes, with juice
• 1 cup veal stock
• 1 cup finely diced onion
• 1/2 cup finely diced celery
• 1/2 cup finely diced carrot
• 1/2 cup red wine
• 2 sprigs fresh rosemary
• 2 teaspoons kosher salt
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• 1 teaspoon freshly ground black pepper