Cider Vinegar Baby Back Ribs — Les Petites Gourmettes

Ingredients

• /2 teaspoons whole coriander, toasted and ground
• 1 teaspoon dry mustard
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon cayenne pepper
• 3 slabs (racks) baby back pork ribs (about 10 pounds)
• 1 bottle of your favorite beer
• 1 1/2 cups apple cider vinegar
• 2 garlic cloves, peeled and minced
• 2 tablespoons tomato paste
• 2 tablespoons brown sugar
• 1 tablespoon dry mustard
• 1/2 teaspoon crushed red pepper flakes