Plum, lime and coriander chutney

Ingredients

• 1 cinnamon stick
• 1 tablespoon coriander seeds
• 1 teaspoon black peppercorns
• 1 1/2 kilograms blood plums, seeded, chopped coarsely
• 2 (300g) medium brown onions, chopped coarsely
• 3 cloves garlic, chopped finely
• 1 fresh long red chilli, sliced thinly
• 2 teaspoons finely grated lime rind
• 1/4 cup (60ml) lime juice
• 1 1/2 cup (375ml) red wine vinegar
• 1 cup (220g) raw sugar
• 1 teaspoon coarse cooking salt (kosher salt)