A tasty and splendid Rainbow Cake with vanilla buttercream

 A tasty and splendid Rainbow Cake with vanilla buttercream frosting, a pink dribble and sprinkles!

Gracious hellooo most mentioned formula OF ALL TIME. I'm not in any event, kidding, this formula has been mentioned again and again and I am ~finally~ presenting it on my blog! It's required some investment as I needed to take care of business!

  I love everything cake, we as a whole realize this, however a rainbow cake is something different. The totally madly brilliant tones, the sweet taste, and everything adorable take it to an alternate level altogether! It is simply sublime.

So… I will say from the start that this formula utilizes loads of fixings, and it is a humongous cake! Like, its 6 layers of cake, and all the buttercream in the middle of the layers, and all the stylistic theme on top!

Furthermore I will likewise say all along… YES I KNOW THE RAINBOW HAS SEVEN Colors. This cake, is just six. While baking this cake, I simply find making 6 tones such a ton simpler, and you can see the undeniable contrasts. I'm not fretted over the seventh!

Red, orange, yellow, green, blue and purple… the primary tones you really want in your life. I did somewhat make up for the absence of seven tones by including a pink trickle outwardly however we will get to that later.

For this cake, I made most likely the greatest one level cake of all time. It's around 8-9" in stature, and uses such countless fixings. Since it is a six layer cake I chose to make it in two clusters. So three layers all at once, so in this manner you still just need three tins!

I made the cake a 600g blend, so that it's really simple to part into two clusters. The most effective way is to weigh 5-6 medium eggs, and get as near 300g as possible, for instance 312g, and afterward match the spread, sugar and flour to that weight.

Then, at that point, you combine everything as one like typical, and afterward split into three dishes. It doesn't make any difference which colors you do first, however I did red, orange, and yellow together, and afterward green, blue and purple.

The stove temperature is undeniably lower than typical, as I don't need the wipes to brown excessively. This likewise comes to some degree from the brands of shadings that you use! Red food shading, orange food shading, yellow food shading, green food shading, blue food shading and purple food shading. for the wipe blends!

When my wipes are heated, I pass on them to cool totally and hold up them enveloped by clingfilm over night with the goal that they are simpler to beautify the following day - yet this piece is totally discretionary obviously!!

For the buttercream, you in all actuality do utilize 750g unsalted margarine and 1500g icing sugar, which in fact is a little disgusting however how much servings from this cake is immense so kindly don't be a negative Nelly about the sugar content!

I make my buttercream like typical by beating room temperature unsalted spread all alone for a very long time to make it truly free and graceful, and afterward I slowly include the icing sugar! I make a point to beat this for a seriously significant time-frame.

You can complete a few strategies to get more white buttercream, by beating the margarine all alone for significantly longer, or utilizing a smidge of purple buttercream to balance the yellow, however I love utilizing this white food shading!

I add a little at a time and keep beating it to ensure its truly white and splendid to differentiate against the shades of the wipe! However, making the buttercream more white is totally discretionary obviously.

Whenever I am beginning to enhance the cake, I touch a couple of tablespoons of buttercream onto each wipe and smooth over, trying to get the request for the shadings in the wipes right obviously… !

Whenever you have layered each wipe you want to do a scrap coat by utilizing as little buttercream as conceivable around the edges to seal in the extra morsels from the wipes! I then, at that point, cool the cake for some time to firm it up prior to adding one more layer of buttercream on top.

I utilize an enormous metal scarper to enhance the sides of the cake, and a little calculated spatula to likewise assist with covering the wipes - and its a lot more straightforward and you will get a smoother wrap up utilizing these too!

Similarly as I have completed the buttercream I cautiously press in some rainbow sprinkles to the lower part of a tad of shading and I simply love the plan - be cautioned, sprinkles will tumble off now so be careful! After this, I cool the cake once more!

For the pink trickle, I utilize white chocolate ganache with this pink food shading added in. Its a very brilliant shading so you don't require add excessively and it implies you get the best hued trickle of all time!

I then, at that point, pipe on the extra buttercream and add on some more rainbow sprinkles and the best cake at any point is done! I'm infatuated with the wipes and how brilliant and lovely it is - yet the central issue to make, YOU NEED TO USE GOOD QUALITY Colors.

Utilizing grocery store colourings, won't fill in too, or perhaps by any means… so kindly don't squander fixings by doing this! The colourings are 100 percent worth the speculation as they keep going for such a long time! Any inquiries, leave them underneath in the remarks and cheerful baking! x



  • 600 g Eggs (weigh eggs in shell) (around 10-12 medium eggs)
  • 600* g Unsalted spread/stork
  • 600* g Caster sugar
  • 600* g Self raising flour
  • 1/2 tsp Red, Orange, Yellow, Green, Blue, Purple food cololuring


  • 750 g Unsalted spread (room temp, not stork)
  • 1500 g Icing sugar
  • 1 tsp Vanilla concentrate
  • 1-2 tsp White food shading


  • 180 g White chocolate
  • 75 ml Double Cream
  • 1/2 tsp Pink food shading
  • Rainbow Sprinkles


For the Cake

  1. Preheat your stove to 160ºc/140º fan and line three 8"/20cm springform tins with material paper and pass on to the side until further notice.
  2. Weigh 5-6 medium eggs in their shells and get as near 300g as could really be expected (for example 312g)
  3. Then, at that point, add 312g of margarine and caster sugar to a bowl and beat until light and feathery.
  4. Include the eggs, and 312g of self raising flour and beat again until smooth.
  5. Part the blend uniformly into three dishes, and add three of the shadings each (for instance, red, yellow and orange.)
  6. Prepare the cakes in the stove for 30 minutes (or until heated - test with a stick).
  7. Once prepared, pass on the cakes to cool in the tin for 10 minutes prior to eliminating to a wire rack to cool completely.
  8. Rehash this cycle and utilize the other three tones (for instance, green, blue and purple!). When every one of the cakes are prepared, pass on them all to cool completely.
  9. (You can envelop the wipes by clingfilm whenever they have cooled and hold up over night to make decoratin simpler yet this is discretionary!)


  1. When every one of your cakes are cooled, you can make the buttercream.
  2. Beat the room temperature unsalted spread all alone for a couple of moments to relax it and make it graceful.
  3. Progressively add the icing sugar beating very well each time until its completely blended in.
  4. Continue to beat and add the white food shading and vanilla concentrate and beat for a couple of moments.

Buttercream Decoration

  1. Utilizing a 10" cake board, add your first wipe. I start with purple similar to the base tone.
  2. Several tablespoons of the buttercream on to the wipe and smooth over. Rehash this with blue wipe, then, at that point, green, yellow, orange lastly red at the top.
  3. Utilizing a limited quantity of buttercream, smooth over the sides of the cakes and fill in any holes and make a piece coat.
  4. Refrigerate or freeze the cake on the board for an hour or so to chill and firm to make the following phase of designing more straightforward.
  5. Once chilled, add on parts more buttercream around the sides of the cake with a little calculated spatula, and smooth over utilizing a huge metal scrubber until the sides of the cake are smooth like in the photographs!
  6. Cautiously press a portion of the sprinkles into the lower part of the cake utilizing the center of your hand to make the sprinkle impact!
  7. Whenever this has been done, refrigerate again while you make the trickle!


  1. Add the white chocolate and twofold cream to a bowl and hotness in a microwave in short 10 second blasts stiring admirably each time.
  2. Once dissolved and joined, add the pink food shading and blend until smooth!
  3. Add the pink ganache to a funneling pack and painstakingly remove the end and trickle down the sides of the cake. The more you drive off the side of the cake with the channeling pack, the further it will dribble!
  4. Add the extra buttercream to a channeling pack with your beloved funneling tip and line whirls of buttercream onto the highest point of the cake (like I have done in the photographs)
  5. At last sprinkle on some etra sprinkles and pass on the cake to set in the cooler completely.
  6. In the sweltering climate I store the cake in the ice chest until it has been divided.


  • This cake keeps going 4-5+ days once made!
  • The shadings that you use and what request depend on you, this formula is exactly the way in which I made it happen! You can trade up the request or anything that you like!
  • You ought to stay away from store tones as they are not sufficient.
  • In this formula use:
  • This red food shading
  • This orange food shading
  • This yellow food shading
  • This green food shading
  • This blue food shading
  • This purple food shading
  • This white food shading
  • This pink food shading
  • This funneling pack
  • This funneling tip
  • This metal scrubber
  • This white chocolate

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