Sous Vide Sweet-and-Sour Brisket

Ingredients

• 6-pound beef brisket
• 2 tablespoons extra-virgin olive oil
• 4 large shallots, peeled and thinly sliced
• 4 garlic cloves, peeled and smashed
• 1/4 cup apple cider vinegar
• 1/2 cup apple cider
• 1/2 cup ketchup
• 1/2 cup honey
• 1/4 cup Dijon mustard
• 2 cups Dr. Pepper
• 1 tablespoon whole black peppercorns
• 2 dried bay leaves
• 2 dried allspice berries
• 2 dried whole cloves
• Kosher salt