Step-by-Step Instructions for Blueberry Raspberry Freezer Jam Clean your jars and lids with hot soapy water. Rinse clean.

There’s no cooking required for this simple jam recipe. Use seasonal or frozen berries to make this at any time of year. Roughly crush the fruit in a large bowl, then add the sugar, vanilla and ...

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 ...