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Jam sponge pudding in slow cooker pot, with blue patterned bowl to the side.
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5 from 5 votes

Slow Cooker Jam Swirl Sponge

A simple and delicious sponge cake with swirls of strawberry jam through it, delicious warm with custard
Course Baking
Cuisine Slow Cooker
Prep Time 5 minutes
Cook Time 2 hours
Total Time 2 hours 5 minutes
Servings 8
Calories 314kcal


  • 300 g self raising flour
  • Pinch of salt
  • 250 ml milk
  • 60 ml veg oil I used sunflower
  • 1 egg
  • 100 g caster sugar
  • Strawberry jam or use different flavours of jam
  • 100 g chopped glace cherries optional


  • Put the flour and salt in a large bowl.
  • Mix the milk, egg, oil and sugar together in another bowl.
  • Pour the milk mixture into the dry ingredients and mix gently.
  • Put half the mixture in your prepared (greased, lined) slow cooker bowl.
  • Drop on some spoonfuls of jam.
  • Top with the rest of the cake batter, then add more spoonfuls of jam on top.
  • Swirl the jam around with a knife to achieve a pretty effect.
  • Cook on high with a tea towel under the lid to stop moisture dripping on top. Cook for approx 1.5 hours to 2 hours on high, then check if it is cooked through using a skewer in the deepest part of the cake. If needed cook for another half an hour then check again, repeat as needed.
  • Turn the cake out onto a rack to cool, or serve it warm right from the pot, with custard or ice cream!



Add cherries.
All kinds of jam work well - strawberry, raspberry, plum, blueberry, whatever you like!
Try it with Nutella, Biscoff or chocolate spread swirled through
Cooking time:
In my slow cooker this took. 2-3 hrs approx on high, but mine cooks slowly. Yours may take less, check from about 1.5 hrs and remove the pot when a skewer comes out clean. 


Calories: 314kcal | Carbohydrates: 50g | Protein: 6g | Fat: 9g | Saturated Fat: 6g | Cholesterol: 23mg | Sodium: 22mg | Potassium: 86mg | Fiber: 1g | Sugar: 20g | Vitamin A: 80IU | Calcium: 44mg | Iron: 0.4mg