This unicorn traybake is what birthday cake dreams are made of 8 months ago

This unicorn traybake is what birthday cake dreams are made of

Calling all unicorn lovers (and their respective adults in charge of baking).

Got a birthday party coming up in your house? Well, then we have found the cake that is about to make you the most popular mum on the block, mamas.

Say hello to the unicorn traybake – possibly the only unicorn-themed cake out there you can actually manage to make look like it does in these pictures without going crazy (and spending a fortune) in the process.

Traybakes are, as you may or may not know, pretty much the fool-proof cake, making it the perfect at-home baking project to take on. And the beauty about this cake? It is not only fairly easy to bake, it also looks the absolute part, which we all know is the most important bit anyway.

Unicorn Birthday Traybake



  • 125gr Unsalted Butter (soft)
  • 125gr Caster Sugar
  • 2 Medium Eggs
  • 150gr Self Raising Flour
  • Pinch of salt
  • 1 Tsp Vanilla bean paste or extract
  • 3 Tbls Milk
Unicorn Swirl Buttercream
  1. 200gr Unsalted Butter (soft)
  2. 400gr Icing Sugar
  3. 4 Tbls Milk
  4. 1 Tsp vanilla bean paste or extract
  5. Pinch of salt
  6. Pink, purple & blue food colourings
You will need
  1. Traybake/Brownie Baking Tin
  2. Baking or parchment paper
  3. Piping Bag and Nozzle (optional)
  4. Sprinkles & Candles

For full recipe and easy-to-follow instructions, head over to