Rhubarb And Ginger Chutney

Rhubarb And Ginger Chutney / 450g rhubarb, chopped into 2cm pieces 350g onion, finely chopped 175g dried apricots 480ml cider vinegar 1 tsp ground coriander seeds ½ tsp allspice ¼ tsp mustard seeds 2 cloves 4cm piece fresh ginger.