DJ BBQ's rad rum ribs

Name: DJ BBQ's rad rum ribs
Cook time: 3 h
Total time: 3 h
Cuisine: American
Ingredients: sea salt; freshly ground black pepper; 1.5 kg higher-welfare baby back ribs membrane removed; 5 tablespoons maple syrup; 2 teaspoons chipotle chilli paste; 1 tablespoon ground ginger; 1 tablespoon Worcestershire sauce; 1½ teaspoons sweet paprika; 1½ teaspoons ground cumin; 1 teaspoon Chinese five-spice; ½ teaspoon ground nutmeg; 4cm piece of ginger peeled; 3–4 cloves of garlic peeled; 125 ml tomato ketchup; 60 ml dark rum; 3 tablespoons cider vinegar; 1 teaspoon Dijon mustard; ½ teaspoon dried chilli flakes; 50 g soft dark brown sugar