The “Smarties Fish” Cake


Let’s play the “cooking TV fancy dish name” game: I will go with “The chocolate and Caramel Fish with crispy chocolate scales swimming in a sea of sweetness”.

So it was my son’s 2nd birthday party and my girlfriend asked me to do a fish shaped cake for him because he likes fishes.
I am not really into baking but still tried and I think the result was not that bad in the end.
It is a fish shaped sponge cake with butter cream and smarties in the middle, topped with some caramel chocolate icing and smarties to do the scales. The white decoration was made using a white vanilla decoration tube.
But my son is not really into cake, so the cake was only eaten by adults.


  • Sponge cake:
    • 250gr of self rising Floor
    • 250gr of Sugar
    • 4 Eggs
    • 250gr of Butter
    • Pinch of salt
  • Butter cream:
    • 100gr of Butter
    • Icing sugar
    • Dash of milk
  • Icing:
    • 50gr of Caramel chocolate or any chocolate you like
    • 50gr of Butter
    • 50gr of Sugar
    • Dash of milk
  • Decoration:
    • Smarties
    • Vanilla icing decoration

Sponge cake:

  1. Preheat your oven at 180°C (360°K).
  2. Separate the whites and the yolks.
  3. Beat the yolks and the sugar until it begins to whiten a little bit.
  4. Melt the butter (in microwave oven for example), add it to the yolk-sugar mix and sieve the floor into it to. Mix until it is homogenous.
  5. In a bowl, beat the whites with a pinch of salt until it is nice and fluffy (“It’s so fluffy I gonna die!!!”).
  6. Mix slowly and carefully the fluffy whites with the rest. The more fluffyness you manage to keep the fluffier the sponge cake will be.
  7. Rub the shape you want to use with some butter and pour the dough.
    Bake for 45 minutes.
  8. When ready let it cool down before doing anything to it.

Butter cream:

  1. Warm up a little bit of milk.
  2. Mix the butter, the dash of hot milk and a little bit of icing sugar.
  3. Slowly add more icing sugar while mixing until it does not taste like butter anymore.


  1. Put all the ingredients together and melt them in a bain-marie while mixing.
  2. When it is homogenous, let it cool down before applying it.

Setting up:

  1. Cut the sponge cake in the shape you like. I had only a circle form for cooking so I first cut a rugby ball shape to do the body of the fish, ad from the remaining parts I did the tail shape.
  2. Cut it then in two, and spread the butter cream on the bottom part. Add some smarties at that moment. Put the second part on top.
  3. If you have some Butter cream left, you can use it to smooth the sides that you cut.
  4. Pour the Icing chocolate on top of it and distribute it all over the cake and the sides.
  5. Decorate the cake with Smarties by starting from the tail and putting Smarties with a slight angle to do the scales.
  6. Finally use the vanilla icing decoration to draw the remaining details such as the eyes.

Bon appétit!

PS: What kind of “cooking TV fancy dish name” would you give to that cake?

One thought on “The “Smarties Fish” Cake

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