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

Each one is made with flavoursome ­raspberry jelly, and there are absolutely loads of generous hunks of real fruit throughout the tubs. Sweet, juicy and ideal for a light snack in the evening.

If making raspberry jam, it's crucial to use sterilised jars to store it. To clean the jars, preheat the oven to 140C/120C Fan/Gas 1. Wash the jars well in warm soapy water then rinse thoroughly ...

Homemade raspberry jam is so delicious and so easy - you just need equal parts of raspberries and sugar and a watchful eye. You could use other soft fruit too, such as strawberries, blackcurrants ...