Rainbow Mug Cake
Easily create a beautiful and delicious Rainbow Mug Cake in minutes! You'll enjoy a sweet, moist cake you can make with any colors you like.

- Prep time
- 5 min
- Cook time
- 1 min
- Yield
- 2 servings
- Difficulty
- MEDIUM
Ingredients
- 1/2 cup (100g) sugar
- 1 sticks ((100g) butter, softened at room temperature)
- 2 eggs at room temperature (, lightly beaten)
- 1 tsp vanilla extract
- 1 cup (110g/ 4oz) All purpose flour
- 1/2 tsp baking powder
- 1/4 tsp baking soda
- a pinch salt
- red (, orange, yellow, green, blue, food colouring)
Instructions
- 1
In a large bowl cream the sugar and butter together until light in colour and fluffy in texture - about 3 minutes. Use a hand whisk.
- 2
Crack in an egg, mix in well, and follow with the next egg. Then pour in the vanilla extract. Beat for another minute until well combined.
- 3
Add in the dry ingredients until just combined - don't over-mix!
- 4
Divide the mixture as evenly as you can between 5 bowls.
- 5
Add a couple of drops of food colouring to each bowl and mix very gently - again, do not over-mix!
- 6
Spoon the colors between the 4 mugs one spoonful at a time. Lay the different colored cake batter on top to create a marbled effect.
- 7
Microwave for 45 seconds (every microwave is different so cooking may vary).
- 8
Take care not to overcook the cake or it will dry out fast.
- 9
Decorate your cake with my cream cheese frosting