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Rainbow Microwave Mug Cake Recipe - the easy way to make a beautiful rainbow layered cake is to make it in the microwave! Perfect for St Patrick's Day | www.happyhealthymotivated.com
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Rainbow Microwave Mug Cake

Servings 4 tall cakes - about 12 servings

Ingredients

  • 1 cup white sugar 200g
  • 1 ¾ sticks butter softened at room temperature, 200g
  • 4 eggs at room temperature lightly beaten
  • 2 teaspoons vanilla extract
  • 2 cups white flour 200g
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • pinch salt
  • red orange, yellow, green, blue, purple and pink food colouring
  • whipped cream
  • oil or butter for greasing

Instructions

  • Cream the sugar and butter together in a large bowl until light in colour and fluffy in texture - about 3 minutes on medium speed.
  • Crack in the four eggs and pour in the vanilla extract. Beat for another minute on medium until well combined.
  • Sieve in the flour, baking powder, baking soda and salt. Beat on a low speed for about one minute until just combined - don't over-mix!
  • Divide the mixture as evenly as you can between seven bowls.
  • Add a couple of drops of food colouring to each bowl and mix very gently until the colour has been evenly distributed - again, do not over-mix!
  • Use a bit of oil or butter to grease your mug and scoop all the batter of one colour into it, smoothing down the top with the back of a spoon. I steamed each layer in the microwave on full power for 1 minute and 40 seconds. Test your cake after 1 minute 20 seconds by sticking a toothpick in the centre - if it comes out clean of crumbs or batter then it's ready. Keep cooking the batter for an extra 5 seconds at a time until you're happy it's done. When cooked, tip your coloured cake out onto a wire wrack and leave until completely cool.
  • After you've found out how long you need to cook each layer for, continue steaming each layer in the same mug until you've gone through all the colours - don't forget you need to grease the mug each time! Leave them all to cool together on a wire wrack.
  • When cooled, slice each coloured mug cake into four even slices.
  • Stack each cake up in the following coloured combination: red, orange, yellow, green, blue, purple and pink, sandwiching each layer with whipped cream. Serve asap - these cakes fall over!