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    Home » Dessert Recipes » Decorated Cakes

    Melting Rainbow Cake

    Modified: Mar 4, '24 · Published: Jun 4, '14 · By: Beth Klosterboer · Commission earned on paid or sponsored links.

    Create the effect of melting crayons on the side of a cake using colorful white chocolate ganache. This Melting Rainbow Cake blends all the colors of the rainbow in a sweet dessert.

    Create the effect of melting crayons on the side of a cake using colorful white chocolate ganache. This Melting Rainbow Cake blends all the colors of the rainbow in a sweet dessert.

    Have you seen all of the fun projects all over Pinterest using melting crayons? They are so popular right now that the folks at Tablespoon.com asked me to create a cake using the melting crayon technique.

    After making my Rainbow Tie-Dye Surprise Cake, I fell in love with the long loaf style cake and thought it was the perfect canvas on which to create this colorful rainbow cake.

    At first, I was going to melt colored frosting to drip down the sides of the cake but was inspired by Shelly at Cookies & Cups, who made a Melted Rainbow Cake using white chocolate ganache. I think ganache elevates the flavor of a cake, so I thought I'd give it a try.

    Melting Rainbow Cake | HungryHappenings.com

    Melting Rainbow Cake

    It worked great.

    The long cake really allowed all the bright colors to show up well.

    You can find the Wilton cake pan along with candy coloring on Amazon.com (commission earned for sales)

    Wilton Performance Long Loa...Shop on Amazon  

    These two really festive looking rainbow cakes are perfect for birthday parties.

    The inside of the cake is loaded with rainbow chips so the cake is colorful inside and out. It's not quite as exciting inside as the Tie-Dye Surprise Cake though. Someday, I'll have to combine the two together to make a really colorful cake.

    Stop by Tablespoon.com to see the step-by-step tutorial for creating this colorful cake,
    but before you go be sure to check out these other fun rainbow desserts...

     

    Rainbow Desserts make any celebration brighter. Serve cakes, cupcakes or even a semifreddo for a St. Patrick's Day, Easter, or Birthday party.

    Rainbow Pinata Cake • Rainbow Reveal Semifreddo
    Melting Rainbow Cake • Naturally Colored Rainbow Layer Cake
    Rainbow Cake Roll • Rainbow Cupcake Cups

    Hungry Happenings has created some festive recipes for any birthday party that any girl or boy will love.

    Celebrate a birthday with some of the most amazing treats. Hungry Happenings has created some festive birthday party recipes that any birthday girl or boy will love. 
    • Author
    • Recent Posts
    Beth Klosterboer
    Beth Klosterboer
    Hi, I'm Beth Klosterboer, a professional chocolatier & baker, cookbook author, and event planner. I love sharing recipes for happy occasions here on Hungry Happenings. I also create easy fudge recipes to share at HowToMakeEasyFudge.com, rice krispie treat recipes at HowToMakeCerealTreats.com, and easy cookie recipes at HowToMakeEasyCookies.com
    Beth Klosterboer
    Latest posts by Beth Klosterboer (see all)
    • Irresistible Sweets with Dixie Crystals® - July 13, 2024
    • How to make peanut butter? - February 15, 2024
    • OREO Penguins - December 20, 2023

    More Decorated Cakes

    • Pink and blue swirled cotton candy layer cake topped with drips of pink and blue ganache and fluffy cotton candy.
      Cotton Candy Layer Cake
    • lemon cake chicks decorated with modeling chocolate or fondant eyes, beak, and feet
      Lemon Cake Chicks
    • Leprechaun hat cake covered in green fondant set on a gold cake drum with rainbow shamrocks
      Leprechaun Hat Shamrock Reveal Cake
    • Koala Cake Image
      Easy Koala Cake

    About Beth Klosterboer

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    1. Coleen Moss says

      June 27, 2014 at 12:42 pm

      How do I make the chocolate ganache or can i buy it ready made?

      Reply
      • beth says

        June 27, 2014 at 2:02 pm

        Hi Coleen, chocolate ganache is super easy to make using chocolate, in this cake white chocolate and heavy whipping cream. Sometimes butter or corn syrup are added. Go to tablespoon.com to see the full recipe and tutorial to make this cake. Here's the link -
        http://www.tablespoon.com/recipes/melted-rainbow-cake/9150c1ed-296b-44c1-b181-071f63d5b529/

        Reply
    2. Sonali says

      June 26, 2014 at 9:32 am

      Wow that's amazing. ..I want to make this too...live your designs and photography....thanks for sharing this. ..

      Reply
    3. Elba Valverde says

      June 13, 2014 at 2:35 pm

      It looks delicious, fun and colorful happy. I'm visiting from the SITs girls 😉 Really love your blog and btw I'm pinning this beautiful cake.
      Elba at LiveColorful.com

      Reply
    4. Sarah Cook says

      June 10, 2014 at 7:47 pm

      Visiting from the SITs girls.This is by far the coolest cake I've ever seen! And that GIF is fantastic. So cool!

      Reply
    5. Lori Hart says

      June 10, 2014 at 4:25 pm

      Wow does this look amazing! Colorful, creative and mouth watering. I found you over at Pint Sized Baker’s Two Cup Tuesday party. I host Tickle My Tastebuds Tuesday and would love it if you linked up this recipe. I’m sure our party goers would love it as much as I do. Here is the link http://bit.ly/1l4cu0j. Have a wonderful day!!

      Reply
    6. Glory says

      June 09, 2014 at 6:24 pm

      I crazy love this!!

      Reply
    7. Bobbie Jones says

      June 09, 2014 at 2:36 am

      This is awesome!! Love the video you put together! Wow..cool.

      Thanks for sharing! Pinning it !

      Reply
    8. Name Change Application Form says

      June 06, 2014 at 6:23 am

      Nice post, fully informative thanks for sharing

      Reply
    9. Divinity says

      June 06, 2014 at 6:21 am

      It is really interesting, I hope everybody lick this Post.

      Reply
    10. beth says

      June 06, 2014 at 3:35 am

      Thanks, everyone! I couldn't be happier about how people have responded to this cake. It's amazing:)

      Reply
    11. Kat Jeter says

      June 06, 2014 at 3:01 am

      Stopping by from Kitchen Fun and Crafty Friday link party. Absolutely fabulous! This would be great to a paint party or tie dye. Pinning! Thanks for sharing from the ladies at www.homemadeinterest.com

      Reply
    12. Danielle Doerr says

      June 04, 2014 at 9:42 pm

      You never cease to amaze me Beth - this case is FABULOUS! You definitely replicated the melted crayon look and I love that you did it with ganache instead of frosting 🙂

      Reply
    13. Lina Calin says

      June 04, 2014 at 6:57 pm

      If this isn't the most beautiful cake I've ever seen... Amazing job here!

      Reply
    14. Brenda @ SweetSimpleStuff says

      June 04, 2014 at 3:58 pm

      Absolutely beautiful ... so colorful! You sure did capture the melted crayon look 🙂

      Reply
    15. Alyson McMahon says

      June 04, 2014 at 3:15 pm

      Amazing. Seriously one of the most fun cakes I've seen! I really want to try this now.

      Reply
    16. Lara Rettighieri says

      June 04, 2014 at 2:42 pm

      WOW

      Reply
    17. Lisa@hooplapalooza says

      June 04, 2014 at 1:40 pm

      OMG! OMG! OMG! can you tell i love this?! :>O!

      Reply
    18. Project Denneler says

      June 04, 2014 at 1:30 pm

      Super cool idea and it looks stunning - just like melted crayons! Love the animated GIF too. I could watch it all day. Great job!

      Reply
    19. The Partiologist says

      June 04, 2014 at 1:10 pm

      Oh my oh my, the cake turned out beautiful - again, I think it's my favorite!

      Reply
    20. Jill @ KitchenFunWithMy3Sons.com says

      June 04, 2014 at 12:43 pm

      This is amazing Beth...so fun!

      Reply
    Newer Comments »
    Beth Jackson Klosterboer

    Welcome to Hungry Happenings!

    I'm Beth. I've been a professional chocolatier & baker for over 30 years, have written 5 cookbooks, and love creating fun food for holidays and special occasions.

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