Barbecue - Sticky Chicken Wings

Ingredients

• 32 chicken wings tips removed
• 120 g tomato ketchup
• 30 ml water
• 30 ml cider vinegar
• 40 g dark brown sugar
• 2 tbsp Worcestershire sauce
• 2 garlic cloves finely grated
• 2 tsp smoked paprika
• 1/2 tsp chilli powder (optional)
• 1/2 tsp cayenne pepper
• 1 tsp Salt
• 1/2 tsp black pepper freshly ground