Red Velvet Mug Cake

Red Velvet Mug Cake with Cream Cheese Frosting

Prep Time: 5 minutes

Cook Time: 1 minute

Yield: 1 mug cake

This Red Velvet Mug Cake is moist, egg-free and utterly delicious with a complimenting cream cheese frosting. Make this easy mug cake for your Valentine today!


Mug Cake

  • 2 tbsp buttermilk
  • 1 tbsp cider vinegar
  • 1½ tbsp vegetable oil
  • red gel food colouring
  • 2 tbsp granulated sugar
  • 1 tbsp cocoa powder
  • pinch salt
  • pinch bicarbonate of soda (baking soda)
  • 4 tbsp self-raising flour, see notes

Cream Cheese Frosting

  • 1 tbsp (14g) unsalted butter, softened
  • 1 tbsp (15g) cream cheese, softened
  • 4-5 tbsp icing (confectioners') sugar
  • ½ - 1 tsp milk, if needed
  • sprinkles, optional


  1. To make the mug cake, add the wet ingredients (buttermilk, cider vinegar, vegetable oil and 2-5 drops of red food colouring) into a mug. I only needed 2 drops of Americolor super red food colouring.
  2. Add the sugar, salt and cocoa powder and whisk with a fork until smooth. Fold in the flour and baking soda, and heat on full power in the microwave for between 1 minute to 1 minute 30 seconds, depending on the power of your microwave. Check at 1 minute, and 1 minute 15 seconds. The cake should be moist so if testing with a toothpick, some crumbs may cling.
  3. Remove from the microwave and allow to cool fully before frosting. You can speed this up by popping in the fridge for around 30 minutes - 1 hour. Or pop in the freezer for 15 minutes if you're impatient like me.
  4. Once fully cooled make the cream cheese frosting by adding the butter and cream cheese to a clean mug and beat with a clean fork until softened further. Gradually add in the icing sugar, beating after each addition. You may not need to add in the milk, so only add if needed.
  5. Spoon or pipe the frosting over the cooled cake and sprinkle on some sprinkles, if desired.
  6. This cake is best enjoyed immediately or on the same day - cover with plastic wrap and pop in the fridge for later.


  • Don't have any self-raising flour on hand? You can substitute with plain (all-purpose) flour and add ¼ tsp baking powder.
  • Valentine's is for 2, you say? Double this recipe to make 2 mug cakes and enjoy that special day... together.
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