How to Make Fish Cake

Koi Fish Cake Tutorial

This alternative wedding cake is finished in rolled modeling chocolate and piped chocolate. It was for a couple whose reception took place in Balboa Park’s Japanese Friendship Gardens, which has a zen rock garden and koi pond full of plump, spotted fish. The groom asked for a fish that had movement and artistry to it. Here is how I fulfilled his request.

Koi Fish Cake Tutorial

1. At a plastics shop, I ordered a piece of blue-tinted, 1/4″ (~ 6 mm) thick plexiglas for the base of the cake for a translucent water effect.

Koi Fish Cake Tutorial

2. I cut a corrugated base in the shape of a moving fish body to fit the platter.

3. Meanwhile I baked off a half sheet cake. I created a red velvet cake with many layers of strawberry cream cheese frosting because the groom requested that the cake’s interior resemble sashimi.

Koi Fish Cake Tutorial

4. I carved the cake out of the half sheet until it resembled a curvy fish body the length of the precut corrugated base.

Koi Fish Cake Tutorial

5. I crumb-coated the cake in buttercream frosting.

Koi Fish Cake Tutorial

6. I made eyes, tail parts, and fins out of modeling chocolate.

Koi Fish Cake Tutorial

7. To make scales, I tinted modeling chocolate light orange, dark orange, and yellow-orange:

Koi Fish Cake Tutorial

8. I rolled out the modeling chocolate colors to 1/16″ (1.6 mm) thickness then punched out circles with a small round cutter.

Koi Fish Cake Tutorial

9. I began laying down modeling chocolate circles like shingles from the tail to head, clustering like colors together for spots. I started each row at the base of each side and worked my way up so that each row met in the middle at the spine (the seam was eventually concealed by a back fin).

Koi Fish Cake Tutorial

10. Once all the modeling chocolate scales were down, I piped a white chocolate frill around each one.

Koi Fish Cake Tutorial

Koi Fish Cake Tutorial

The complete tutorial on how to make this cake is in the following book:

Cake Decorating with Modeling Chocolate
Cake Decorating with Modeling Chocolate

Koi Fish Cake Tutorial

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How to Make Fish Cake — 4 Comments

  1. Would it be okay to post a pic of your fish cake on Facebook in response to a debate amongst people as to what constitutes a fish cake?

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