How to make a music keyboard cake

Written by valerie whittier | 13/05/2017
How to make a music keyboard cake
A piano keyboard is the inspiration for this cake. (keyboard image by Vasiliy Koval from

A keyboard cake is an excellent way to celebrate a special event with a musical theme. This cake creates big impact with minimal decorating skill and effort. Choose your favourite recipes or make things even easier by using cake mixes and canned icing.

Grease and flour the two cake pans.

Divide the cake batter between the two pans.

Bake in a preheated oven according to your recipe instructions.

Cool the cake on a wire rack until it reaches room temperature.

Cover the plywood board with the contact paper, turning the edges under to the back side. You will need to make some cuts in the corners to achieve a smooth wrap.

Place the two cakes end to end on the cake board, using frosting at the seam.

Flatten the top of the cake by cutting with a large knife, parallel to the board.

Apply a thin layer of room temperature frosting to form a "crumb coat" that will seal in messy bits of cake. Run the knife in one direction, so that the crumbs are sealed under the icing rather than pulled up to the surface.

Refrigerate the cake until the crumb coat is firm.

Thin the frosting slightly so that it will flow smoothly over the crumb coat.

Apply a layer of frosting to the sides of the cake and finish with a smooth layer of frosting on the top.

Score the frosting with the dental floss, creating keys that are approximately one inch wide.

Align the narrow end of a Kit Kat chocolate bar stick with the top edge of the cake and centre it over the first line on the left.

Center a Kit Kat bar on the next line.

Skip a line and then place a Kit Kat bar on each of the next three lines.

Skip a line.

Repeat steps 1 through 4 until you have reached the end of the cake.


Try making two different flavours of cake to give guests a choice.

Tips and warnings

  • Try making two different flavours of cake to give guests a choice.

Things you need

  • Two 9" by 13" cake pans
  • Cake batter for two cakes
  • 3/4-inch-thick, 12" by 30" plywood rectangle
  • Decorative contact paper, 20" by 40"
  • White icing for two cakes
  • Dental floss
  • 20 Hershey's Kit Kat candy bars

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