Sweet and Spicy BBQ Pork Ribs

Name: Sweet and Spicy BBQ Pork Ribs
Prep time: 30 min
Cook time: 6 h
Total time: 6 h 30 min
Cuisine: American
Ingredients: 2 to 3 racks American-style pork ribs; 2 tablespoons brown sugar; 1 tablespoon smoked paprika; 1 teaspoon salt; 1 teaspoon garlic powder; 1 teaspoon onion powder; 1 teaspoon ground cumin; ½ teaspoon freshly ground black pepper; ½ teaspoon ground cayenne pepper; 50 grams butter, cubed; 1 brown onion, finely chopped; 200 milliliters tomato sauce; 125 milliliters whiskey, such as Jack Daniel’s®; ⅓ cup brown sugar; 80 milliliters apple cider vinegar; 2 tablespoons honey; 1 teaspoon ground cayenne pepper