Kilner Blackberry And Apple Jam Recipe

Nothing says early autumn quite like the rich, jewel tones of homemade jam. This simple Blackberry & Apple Jam is a wonderful way to make the most of the summer’s bounty, capturing the sweet-tart flavours of freshly picked blackberries and crisp British apples. Spread it on warm toast, swirl it into yoghurt, or enjoy it with scones for a true taste of the season.

See below for how to make this delicious blackberry and apple jam.

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1. Put the apples and water into a large stock pot. Bring to the boil, then lower the heat and let them simmer gently for about 10 minutes, or until the apples begin to soften.
2. Add the blackberries to the pan and cook until all the fruit is tender.
3. Turn the heat down and add the sugar, stirring slowly until it has fully dissolved.
4. Increase the heat and boil the mixture briskly for around 20 minutes, or until the jam reaches setting point (use the Kilner wrinkle test below).
5. Carefully ladle the hot jam into sterilised jars, leaving about 1 cm of space at the top. Release any trapped air bubbles before sealing.
6. Finish by processing the jars to ensure a good seal.

The Wrinkle Test

When you think the jam might be ready, remove the pan from the heat (using oven gloves) and place it on a heatproof surface. Spoon a little of the hot jam onto a chilled saucer or plate (keep one in the fridge while cooking). Let it cool for a moment, then gently push it with your fingertip. If the surface wrinkles, the jam has set. If it’s still too soft with only slight wrinkling, return the pan to the heat and boil for another 1–2 minutes before testing again.

Did you enjoy this Blackberry and Apple Jam recipe? We'd love to hear your thoughts in the comments.

Kilner® products are a favourite for jam making thanks to their durable glass jars with airtight seals that keep preserves fresh for longer. Stylish as well as practical, they’re a trusted choice for home cooks and seasoned preservers alike.