Blueberry Raspberry Freezer Jam is a delightful and easy-to-make preserve that captures the fresh flavors of summer berries.

This very easy raspberry jam is super fruity (about 80 percent fruit) and quick to make. Using jam sugar, which has a little natural pectin and ... from June to October. Frozen raspberries work ...

High-pectin fruits include ... put a drop of the jam onto a very cold saucer (you'll need to put the saucer into the fridge or freezer first to ensure it's really cold). After a few seconds ...