Smarties Birthday Cake

Fun and colourful smarties birthday cake, not just for two year olds.

Smarties Birthday Cake

Smarties Birthday Cake

Prep Time: 10 minutes
Cook Time: 30 minutes
Additional Time: 1 hour
Total Time: 1 hour 40 minutes

Smarties birthday cake, vanilla cake with white chocolate buttercream and lots of Smarties.


  1. Sort all of the Mini Smarties by colour.
  2. Cut each cake into two layers.
  3. Pipe some buttercream onto the cake board and place a cake layer on top.
  4. Brush the cake with simple syrup.
  5. Spread or pipe buttercream onto it and add another cake layer on top.
  6. Repeat steps 4 and 5 until you've added the last cake layer.
  7. Cover the entire cake in buttercream.
  8. Refrigerate until the buttercream has set, about 30 minutes.
  9. Create an outline of a number on top of the cake, using a toothpick.
  10. Use Mini Smarties to fill in the number.
  11. Pipe a border on top using a piping bag fitted with a star shaped piping tip.
  12. Place Mini Smarties on the border and decorate the sides of the cake with Mini Smarties as well.


*Baked in two cake pans (14 cm).

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