Ian Knauer's Sticky Balsamic Ribs

INGREDIENTS

• 2 tablespoons balsamic vinegar
• 8 pounds baby back pork ribs
• 1 cup water
• 1 teaspoon cayenne
• 1 teaspoon freshly ground black pepper
• 1 tablespoon + 1 teaspoon kosher salt (divided)
• 1/2 cup packed dark brown sugar
• 8 large garlic cloves
• 1 cup balsamic vinegar
• 2 tablespoons finely chopped rosemary
• 2 cups hot water
• 2 tablespoons packed dark brown sugar