Extra-hot Bajan chilli sauce

Ingredients

• 100g fresh turmeric root, peeled (wear rubber gloves – it stains!) and roughly chopped (from Sainsbury’s, Waitrose and realfoods.co.uk or your local greengrocer)
• 200ml white wine vinegar
• 1 onion, roughly chopped
• 4 scotch bonnet chillies, stems removed (wear gloves when handling)
• 3 tbsp dijon mustard
• 3 tbsp brown sugar