Slow Cooker Blackberry and Apple Preserves

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recipe by Octopus Publishing

  • Time icon
    Total Time
    5hrs 20mins
  • Serves icon
  • Calories icon

Make the most of blackberry season with this thick, sweet blackberry and apple preserves. Spread on toast or add generous dollops to your morning porridge.

recipe updated May 8, 2020


  • Cooking apple icon
    Cooking apple
    908 g (about 6)
  • Granulated sugar icon
    Granulated sugar
    4 cups (about 816 g)
  • Lemon icon
    1 (about 58 g)
  • Lemon juice icon
    Lemon juice
    2 tbsp (about 27 g)
  • Blackberries icon
    1 ¾ cups (about 256.2 g)


  • kCook icon Slow cooker
  • kCook icon Slow cooker bowl
  • kCook icon Jar

Step preview

  1. Get a clean slow cooker bowl
  2. Add cooking apple, granulated sugar, lemon, lemon juice and blackberries to the slow cooker bowl and cover
  3. Cook in slow cooker while stirring occasionally - 4 hr 30 min, high heat
  4. Warm 4 clean jars - low heat
  5. Spoon jam into 4 jars
  6. Let cool
  7. Store in fridge
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