Rainbow Layer Cake

Name: Rainbow Layer Cake
Yield: 12
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Give this Instagram-worthy rainbow layer cake a try and surprise your loved ones with its yummy taste and cute looks! Featuring red, orange, yellow, green, blue, and purple gel food coloring layers of vanilla sponge cake garnished with drool-worthy frosting, this rainbow layer cake is as fun to prepare as it is easy. Don’t skip this recipe and get ready to bring a little joy into your kitchen with the most delicious rainbow layer cake ever!

Reviewed by Editorial Team of Kiwilimón

Published: 07-07-2022

Preparation

Medium

For the sponge cakes: Preheat oven to 347 ºF. Grease cake pan to keep rainbow layer cake from sticking. In a bowl, mix flour, baking powder, and salt. Set aside. In a mixer, cream butter and sugar until fluffy. Add egg whites little by little and mix thoroughly. Add vanilla essence and mix until completely incorporated. Add flour alternating with milk. Mix until completely incorporated. Divide batter into 6 even portions and transfer to small-sized bowls each. Add a different gel food coloring to each one and mix until completely incorporated. Using the same cake pan each time, bake each colorful batter separately for 15 minutes or until cooked through. Let them cool. For the frosting: In a saucepan, heat sugar, lime juice, and water and cook until syrup is obtained. Do not stir. In a mixer, mix egg whites and cream of tartar to stiff peaks. While mixing, add syrup. Mix until the desired consistency is obtained. For assembling the rainbow layer cake: On a chopping board, place purple sponge cake and spread a layer of frosting on top. Add blue sponge cake, spread a layer of frosting, and top with green sponge cake and a layer of frosting. Place yellow sponge cake, spread a layer of frosting, and top with orange sponge cake and a layer of frosting. Place red sponge cake and spread a layer of frosting. Spread a bit of frosting over rainbow layer cake and refrigerate for 30 minutes. Remove from fridge. Using a spatula, spread remaining frosting and level it. Serve rainbow layer cake.