Rainbow Water Colour Drip Cake

rainbow water cake

This video tutorial demonstrate how to create a rainbow water-colour cake decorated with a purple drip effect.

These particular cakes are premixes by the brand Bakels (which is a bakery standard professional premix in Mississippi mud cake and white chocolate mud cake).



  • (normally there is a 3:1 ratio for white chocolate ganache and a 2:1 ratio for dark chocolate ganache).
  • 150 grams of white chocolate
  • 80-90 grams of cream
  • if you would like it to be even more fluid I would recommend adding some more cream, or even some vegetable oil after all is melted and combined.


  • 6B Wilton tip
  • 32 Wilton tip
  • 2 disposable piping bags

Americolour gel food colours in:

  • Regal Purple
  • Turquoise
  • Sky Blue
  • Lemon Yellow
  • Super Red

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