Chocolate BBQ ribs with Noire de Chambly beer - Le Coup de Grâce

Ingredients

• 3 tablespoons brown sugar
• 1 tablespoon cacao
• 1 tablespoon chili powder
• 1 tablespoon paprika
• 1/2 teaspoon garlic salt
• 1/2 teaspoon onion salt
• Ground pepper, to taste
• 2 full rack of pork ribs (about 5lbs total)
• 1 red onion, finely chopped
• 1/2 chipotle pepper in adobo sauce, seeds removed
• Olive oil
• 1/2 cup Noire de Chambly beer from Unibroue
• 1/4 cup black chocolate milk from Natrel
• 1/2 cup ketchup
• Juice from 1/2 lime
• 2 tablespoons brown sugar
• 2 tablespoons 70% black chocolate, finely chopped