If you can`t get josta berries, you can also use 250 g currants and 250 g gooseberries.
Put all ingredients in a saucepan, mix well and slowly bring to the boil, stirring constantly. Then simmer for about 15 minutes on a low flame and stir from time to time.
When the onion pieces are translucent and the mixture has turned a dark red color, the chutney is ready to be filled into screw-top jars.