Wondering how to make a unicorn cake? We’ve got the recipe + pictures

The unicorn cake is so trendy right now, you can see it everywhere. Children and adults alike use it for their birthdays and baby showers. Not only is it beautiful and interesting, but it is also delicious. Many people think that in order to get your hands on a unicorn cake you have to order it from a cake shop. Furthermore, you probably think it would be quite expensive. Think again! We have found the easiest recipe and decoration technique so you can make it yourself in your home. What’s more, we are going to make it even more interesting by combining the rainbow and unicorn cakes. You get a rainbow unicorn cake, yaay. You are going to need a few things, but you will definitely spend less money. So, rather than ordering it form a cake shop, get your baking tools instead and let’s go!

DIY unicorn cake

What are you going to need to make the rainbow cake?

  1. 8 eggs
  2. 10 tbsp milk
  3. 2 tbsp vanilla extract
  4. 5 and a half cups of self raising flour
  5. 3 cups unsalted butter
  6. 3 and 1/4 cups caster sugar
  7. Buttercream (mixture of butter and icing sugar)
  8. Food colouring – the colours are your choice and it depends on how many layers you want to make

The butter and sugar need to be beat together until you’ve achieved a light texture. Add the eggs after you whisk them and then add the flour, milk and vanilla extract.

Your batter should look like this

Divide the batter into however many layers you want to make. Make sure it is evenly divided and put it in separate bowls. Add the different food colouring to each of the bowls and bake them at 175°C for 15 minutes. Once they are ready remove any crust and trim the edges.

Divide the batter and add the food colouring

Make sure it is in different bowls

Spread the batter on baking paper in a baking tray

Spread it evenly

Make sure it has cooled before starting to work on it

Trim the edges

Remove the crust

After each layer add buttercream to make them stick together

Cover it with buttercream on the outside too

Use a spatula to make sure it is spread evenly

Now it is time to decorate the cake. For the decoration you are going to need:

  1. White, green, black and caramel-coloured fondant
  2. Fondant rolling pin
  3. Pink buttercream
  4. Rose piping tip and piping bag
  5. Gold edible paint
  6. Edible glue
  7. Paintbrushes
  8. Wooden skewer
  9. Styrofoam
  10. Rose petal cutters
  11. Sprinkles
  12. Candies – cookies, meringue kisses or whatever you like

Here you have the option to be creative, you can use any colours and sweets you like. It is up to you.

Insert the skewer in the styrofoam

Twist the caramel-coloured fondant around the skewer

Paint it in gold

Use rose petal cutters to cut the ears. Cut two ears form the white fondant and two smaller ones from the green one.

Cut the ears

Glue them together and dent them a bit so they look like ears

Use the black fondant to make the eyes in a V-shape. Leave everything to set for awhile

Using the piping bag create small buttercream roses

Start decorating with sprinkles, cookies and everything you can find

Add the horn by pushing the skewer into the cake

Add the ears and eyes and you are all set

Beautiful unicorn cake examples

Rainbow unicorn cake

New Year’s Eve take on the unicorn cake

Unicorn cupcakes

Unicorn pop cakes

It even comes in two or three layers


You can add any kind of decoration to it

A different take on the unicorn cake


It can even look like an emoji

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