Slow cooked chocolate cake recipe

(89 ratings)

Learn how to make a chocolate cake in your slow cooker with this simple recipe. Just make the mixture and add to your slow cooker - easy!

Preparation Time10 mins
Cooking Time2 hours
Total Time2 hours 10 mins
Cost RangeCheap

This slow cooked chocolate cake is a real treat and so easy to make in your slow cooker.

Slow cookers are much-loved for how they really bring out the flavours in food and this recipe for chocolate cake is no different. Unlike our classic chocolate cake recipe, this recipes contain just five ingredients - but after slowly baking away for up to two hours, they turn into a delicious, 5 star-worthy cake that’s guaranteed to be moist and cooked to perfection. This slow cooked cake can then be topped with either buttercream icing or served with a dollop of cream for a final touch. 

Read our tried and tested reviews of the best slow cookers.


  • 120g chocolate
  • 120g butter
  • 3 eggs
  • 140g sugar
  • 30g flour




  1. Melt the chocolate and butter in a bain-marie. Meanwhile, whisk the eggs and sugar until the mixture whitens.
  2. Gently fold the chocolate into the eggs, add the flour and mix well until you achieve a smooth batter.
  3. Place a few sheets of absorbent paper at the bottom of the stoneware of your slow cooker to isolate the mixture and soak up the excess humidity.
  4. Cook in the slow cooker for 1 1/2 to 2 hours - start on High. After 10 minutes, reduce heat to Low.  

Tips for making slow cooked chocolate cake:

If you don’t have a bain marie, simply place the chocolate in a glass or heat-proof bowl over a pan of simmering water and allow it to melt.

You might also like: 

Chocolate chip cake

Mary Berry's chocolate fudge cake

Slow-cooked tiramisu sponge desserts

Jessica Dady
Food Editor

Jessica Dady is Food Editor at and has over 10 years of experience as a digital editor, specialising in all things food, recipes, and SEO. From the best food hampers to cookbooks, from the best cake stands to kitchen appliances, Jessica has a wealth of knowledge when it comes to must-have food products. A passionate baker, she spends some of her time creating celebration cakes for friends and family including her two lucky children.