then add the sugar, vanilla and lemon juice and stir well for about 3 minutes until properly combined. Ladle the mixture into a jug, then pour into sterilised jam jars or small freezer-proof ...
If you don’t have a sugar thermometer, a few hours before you want to make your jam, put a couple of small plates or saucers into your freezer. Wash the blackberries and add to a large ...