Chilli Onion and Cranberry Jam

Ingredients

• 4 medium red onions (750g), peeled, halved
• 6 long red chilli, finely chopped (seeds in)
• 2 large garlic cloves, crushed
• 5 cm piece fresh ginger, peeled, finely grated
• 1 tbsp olive oil
• 1 tsp sea-salt flakes, crushed
• ¾ cup water
• 2 cups white sugar
• ⅔ cup red wine vinegar
• ½ cup port, mirin or sweet sherry
• ½ cup dried cranberries or craisins