Sizzling spare ribs with BBQ sauce

INGREDIENTS

• 4 x 500g packs pork spare ribs
• 1 bunch of spring onions , roughly chopped (green stems and all)
• 1 Scotch bonnet chilli , seeded and finely chopped
• 4 garlic cloves , roughly chopped
• 6 tbsp Appleton rum
• 6 tbsp demerara sugar
• 6 tbsp dark soy sauce
• 6 tbsp clear honey
• 6 tsp Dijon mustard
• 1 tsp ground allspice