Power Grid cake

This cake was created using the frozen buttercream transfer method.

Powergrid cake
Power Grid cake

We were invited to a game night where the game Power Grid would be played. We were asked to bring something to eat, so I decided to make a cake based on the Power Grid box art.

I chose to use the frozen buttercream transfer method. At first, I considered using the entire box art, but I soon realized that the level of detail required would be impossible with piped frosting. To start, I downloaded a picture of the box art and cropped out a section to use on an 9×13 cake. The picture was reversed in picture editing software, printed out to the appropriate scale, and taped to a cutting board. A sheet of wax paper was taped on top.

Powergrid cake - template image
Power Grid cake – template image

I broke the colors of the picture down into 10 colors. Starting with the black outline, I piped the frosting onto the wax paper, using the image underneath as a guide.

Powergrid cake - piping on colors
Power Grid cake – piping on colors
Powergrid cake - piping on colors
Power Grid cake – piping on colors

Covering over the black outline is fine, as the piping done first will be visible once the frosting is flipped over on to the cake.

Powergrid cake - piping on colors
Power Grid cake – piping on colors

Here all the colors have been applied. It took about two hours to mix the colors and pipe them on to the wax paper.

Once complete, the board goes into the freezer where the frosting will become firm.

Powergrid cake - piping complete
Power Grid cake – piping complete

Here is the blank 9×13 cake, cooled and ready for the frosting.

Powergrid cake - blank sheet cake
Power Grid cake – blank sheet cake

At this point, I removed the board from the freezer, inverted it onto the cake, cut away the tape, and carefully peeled off the wax paper. It’s important to do this fast, as the frosting will thaw quickly.

In hindsight, I should have smoothed out the frosting in order to press out the air bubbles.

Powergrid cake - frosting transferred
Power Grid cake – frosting transferred

Additional green frosting was added to the sides, completing the cake.

Powergrid cake
Power Grid cake

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