two rustic, handmade mugs on a side plate filled with chocolate sponge

Chocolate mug cake

  • serves 1-2 to share
  • Easy

Ideal for when you fancy something sweet but don't want to bake, this clever microwave chocolate mug cake for one is ready in just five minutes


Whip up this chocolate mug cake for a speedy dessert, then check out our ultimate chocolate cakechocolate birthday cake and easy chocolate fudge cake.  



  • self-raising flour 4 tbsp
  • caster sugar 4 tbsp
  • cocoa powder 2 tbsp, plus extra for dusting
  • egg 1 medium
  • whole milk 3 tbsp
  • sunflower oil 3 tbsp
  • vanilla extract ¼ tsp
  • dark chocolate 40g, roughly chopped
  • sea salt flakes a pinch


  • Step 1

    Measure the self-raising flour, caster sugar and cocoa powder into a large mug, and mix together. Crack in the egg, pour in the milk, oil and vanilla extract and whisk with a fork until no lumps of flour remain and you have a smooth cake batter.

  • Step 2

    Add the dark chocolate and mix briefly again, then the top with sea salt flakes. Put into the middle of your microwave oven and cook on high for 1½-2 minutes or until firm to the touch. Dust with a little cocoa powder to serve, if you like.

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Nutritional Information

  • Kcals 1292
  • Fat 59.4g
  • Saturates 17.5g
  • Carbs 162.3g
  • Sugars 97.2g
  • Fibre 9.0g
  • Protein 22.1g
  • Salt 1.45g