Peel pineapple, remove stalk, chop finely and weigh out 300 g. Sort and wash bilberries and weigh out 700 g. In a saucepan, mix the fruit and citric acid well with Extra gelling sugar.
In a saucepan, mix all ingredients well with Extra gelling sugar. Bring to the boil on high heat while stirring and boil for 5 minutes, stirring occasionally. Immediately pour chutney into prepared jars up to the rim. Seal jars with Twist-off® lids, turn upside down and allow to stand on lids for about 5 minutes.