Blackberry Jam

Published on 30 July 2026 at 16:54
Fresh blackberries picked for home made jam

Homemade Blackberry Jam (Fresh-Picked)

This homemade blackberry jam is made using fresh-picked blackberries straight from the hedgerows. It’s simple, traditional, and absolutely perfect on toast, crumpets, fluffy pancakes, scones, or stirred into porridge.

Your original batch used 500g fruit + 500g sugar, which makes a classic sweet jam. Because blackberries vary in tartness, you can reduce the sugar to taste — cooking time will vary slightly.

Fresh-picked blackberries ready to be made into jam
Fresh-picked blackberries from the hedgerows.
Homemade blackberry jam cooling in the jar
Homemade blackberry jam cooling in small dish for tasting.

Ingredients

  • 500g fresh blackberries (picked straight from the hedgerow)
  • 300g–500g sugar, depending on sweetness:
    • 300g — tart
    • 350–400g — balanced
    • 500g — traditional sweet jam
  • Juice of half a lemon (helps the jam set)

Method

  1. Rinse the fresh blackberries and remove any stems or leaves.
  2. Place the berries into a large pan with the lemon juice.
  3. Warm gently until the berries soften and release their juices.
  4. Add your chosen amount of sugar and stir until fully dissolved.
  5. Increase to a steady boil and cook for 20–35 minutes, depending on:
    • how juicy the berries are
    • how much sugar you used
  6. Test the set by placing a spoonful on a cold plate — if it wrinkles when pushed, it’s ready.
  7. Pour into sterilised jars and allow to cool.

Notes

  • Sugar to taste: Reduce sugar if you prefer a sharper, fruit-forward jam.
  • Cooking time varies: Fresh-picked berries can be very juicy, so some batches take longer.
  • Serving ideas: Perfect on toast, crumpets, fluffy pancakes, scones, porridge, yoghurt, or inside cakes.
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