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You are here: Home / Desserts / Rainbow Cake Truffles Recipe

Rainbow Cake Truffles Recipe

Posted by Jessica Pinney on February 24, 2018, last updated November 21, 2019

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Three Rainbow Cake Truffles stacked on top of each other. One is cut open to show the multi-colored insides.

You know when we have a birthday it’s time to bust out the sprinkles!

I recently bought 7lbs of ’em from Amazon so I am locked, loaded, and ready to go!

What better way to celebrate turning three than with a few rainbow cake truffles???

A Rainbow Cake Truffle sliced in half and stacked on top of each other.

These sugary, colorful treats are basically a cake pop without the stick.

We took the first test batch to a housewarming party and they were devoured! Janette took the second batch with her to work at Big Brother, where they were given rave reviews.

I think it’s safe to say you’re gonna love ’em!

Some people have suggested we name them “unicorn eggs”, but I always assumed unicorns are mammals and therefore do not lay eggs. Perhaps I’m just overthinking it?

Maybe that’s why people tend to name things “unicorn poop”, but I don’t want to eat poop for our birthday. Call me crazy…

A close up of a hand holding a Rainbow Cake Truffle that has been cut in half.

Regardless of what you call these little treats, they’re delicious!

And I don’t know what it is about rainbows, but just looking at the colors puts a smile on my face!

It’s become a tradition to list our favorite recipes from the year on our birthday post.

It’s always so fun to go back and see what we spent the year making!

Tough work, but somebody has to do it.

Janette’s Favorite Recipes from 2017:

  1. Christmas Cranberry Sorbet Rose Mimosa
  2. Instant Pot Twice Baked Potato Casserole
  3. Blood Orange & Meyer Lemon Moscow Mule
  4. Homemade Strawberry Milk
  5. Valentines Day Gelato Truffles

Jessica’s Favorite Recipes from 2017:

  1. Nashville Hot Shrimp Po’ Boy
  2. Flamin’ Hot Cheetos Corn On The Cob
  3. Copycat Matcha Espresso Fusion
  4. Sausage Egg McMuffin Casserole
  5. Deep Fried Pop-Tarts

It’s always neat to see the recipes that were our personal favorites versus the ones you guys were most into, so below are the posts that got the most traffic this year.

Our Most Popular Recipes in 2017:

  1. Homemade Crunchwrap Supreme (the most popular recipe on our blog almost every year!)
  2. Yogurt Peanut Butter Banana Dog Treats
  3. Bourbon Bacon BBQ Chicken Kebabs
  4. Copycat Starbucks Iced Matcha Latte
  5. Campfire Pizza Nachos

Seven Rainbow Cake Truffles in front of a sign that reads "Cooking with Janica".

Wondering what kind of milestones we hit this year?

  • I shut down my consulting business to work on Cooking With Janica full-time
  • We got a beautiful new website design thanks to Lauren at Once Coupled
  • Millions of people visited our site, the most we’ve ever had in a single year!

The sincerest of “thank-yous” to all of you who have visited our site, shared a post, or made one of our recipes yourself. It has been so much fun sharing the food that we enjoy with all of you!

We can not wait for you to see what exciting stuff we’ve got coming down the pipeline this year!

This post contains affiliate links (when you buy we make a little money at no cost to you). See our disclosure for more information.

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Rainbow Cake Truffles Recipe

Rainbow colored cake swirled together then dipped in white chocolate and topped with sprinkles to make adorable cake truffles. 

  • Author: Jessica Pinney
  • Prep Time: 25
  • Cook Time: 15
  • Total Time: 40 minutes
  • Yield: 20 1x
  • Category: Dessert
  • Cuisine: American
Rainbow Cake Truffles
Print Recipe
★★★★★ 5 from 6 reviews

Ingredients

1 Package White Cake Mix + ingredients required to make it (usually oil & eggs)

1/3 Cup Vanilla Frosting

White Chocolate, melted (I used these)

Rainbow Sprinkles

Wilton Gel Food Coloring (Red, Golden Yellow, Lemon Yellow, Kelly Green, Royal Blue & Violet)

Instructions

Preheat oven to 350 degrees F. Place 12 cupcake liners in your muffin tin.

Mix packaged white cake mix according to directions. Divide the batter evenly between 6 small bowls. Tint each bowl a different color. I dip a toothpick in the color, then dip and stir it into the batter. Repeat until the desired tint is reached. Use the golden yellow and a little red to achieve the orange color.

Add the batter to your muffin tin. Each color will make two cupcakes. Bake for 12-15 minutes, until a toothpick comes out clean when inserted in the center. Allow to cool completely.

When cool, crumble each color of muffin into its own small bowl. Add 1 Tablespoon of frosting to each bowl and stir until combined.

You can take a small amount of each color into your hand then gently roll them into a ball – or I found it easiest to roll each color into 1/4″ balls, then roll & smoosh the balls together to form the truffle. Place on a baking sheet lined with parchment paper. Place in the freezer for at least two hours.

Once chilled, melt your chocolate. I do this by putting the chocolate melts in a microwave-safe bowl and microwaving for 30-second intervals, stirring in between – until completely melted.

When chocolate is melted and smooth, remove the rainbow truffles from the freezer. To dip, place a toothpick in the top of each truffle, dip in the chocolate, turn gently to coat, then remove from chocolate and gently turn again to allow the excess to drip off. Place truffle on a baking sheet lined with parchment paper and carefully remove from toothpick (I used another toothpick to push down while pulling up on the one in the truffle). Quickly cover with sprinkles.

Allow chocolate to harden (you can chill in the refrigerator to speed up this process). Store in an airtight container for up to 3 days.

Adapted from The Domestic Rebel

Nutrition

  • Calories: 153

Did you make this recipe?

Please tag @cookingwithjanica and use #cookingwithjanica on social media. We'd love to see!

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  1. Patti @Patty Cake's Pantry says

    February 27, 2018 at 9:54 pm

    I like looking at rainbows, too. These cake truffles are very pretty. My youngest son has already requested that I make some of these for his Easter basket. These are a great idea.

    Reply
    • Jessica Pinney says

      March 2, 2018 at 11:43 am

      Thanks, Patti! Awww, I hope your son enjoys them. I love that you make homemade treats for his Easter basket!

      Reply
  2. Kiki Johnson says

    February 28, 2018 at 11:36 am

    These are so pretty and colourful! Kids would have so much fun eating these! How did you get those perfect layers? I am in awe!

    ★★★★★

    Reply
    • Jessica Pinney says

      March 2, 2018 at 11:42 am

      Thanks, Kiki! Lol, they layers are actually easier to get than you might think. I was pleasantly surprised. 😀

      Reply
  3. Dominique | Perchance to Cook says

    February 28, 2018 at 5:10 pm

    These are so fun and pretty!! I love the use of white chocolate ( my favorite )… I’d love one right now!

    Reply
  4. Veena Azmanov says

    March 2, 2018 at 1:54 pm

    These truffles look so pretty. Would be perfect for the kids get together we plan soon. Saving this for later. So pretty

    ★★★★★

    Reply
  5. Marisa Franca @ All Our Way says

    March 3, 2018 at 10:51 am

    Those cookies – bon bons are amazing. I love how they look. Wouldn’t they be adorable for a baby shower or wedding shower. A tea!! Golly I can think of so many things. You did a marvelous job.

    Reply
  6. Anne Murphy says

    March 3, 2018 at 1:52 pm

    Those are so pretty!

    And Happy Birthday to the site! Those are milestones – congratulations.

    Reply
  7. Claire | The Simple, Sweet Life says

    March 3, 2018 at 11:41 pm

    These are LITERALLY the prettiest truffles I’ve ever seen! I’m working on a unicorn cake for a friend’s birthday this week and the guest list just keeps getting bigger and bigger. I’m concerned my cake just won’t be big enough so I think I’m going to have to throw in some of these gorgeous truffles. They’ll fit in perfectly!

    Reply
  8. Neriz @ food and journeys says

    March 4, 2018 at 11:43 am

    7 lbs of sprinkles, it’s like a couple of years’ supply, eh?! 😉 Congratulations on the milestones!

    My first thought when I saw the rainbow colors was — ‘Now, those would look good for Easter too.’ Kids would love them for sure!

    ★★★★★

    Reply
  9. Jennifer says

    March 4, 2018 at 12:41 pm

    These are the CUTEST little cake treats! I wish I had seen this a few weeks ago, my daughter turned 3 and wanted everything to be “rainbows and so many colors”. These would have been perfect! I’ll just have to make them for St. Patrick’s Day!

    ★★★★★

    Reply
  10. Monica | Nourish & Fete says

    March 4, 2018 at 12:58 pm

    Oh my goodness, ordering 7 lbs of sprinkles is like a dream come true, haha! These truffles are amazing – so pretty, and so delicious! The sprinkles are just the cherry on top. 😉

    ★★★★★

    Reply
  11. Kristina says

    March 4, 2018 at 5:57 pm

    Wow! These rainbow truffles are amazing, I can see why they were such a hit. I haven’t had a chance to make any unicorn baking recipes yet since the trend started but I think these will be perfect for an upcoming potluck.

    ★★★★★

    Reply
    • Jenny says

      October 18, 2019 at 2:41 pm

      Can you froze these?

      Reply
  12. Bev Brook says

    April 30, 2021 at 9:10 pm

    As grandma and gramps we just made a trial run of rainbow pops for our grandson Carson’s 3rd birthday. He wanted dinosaurs and rainbows “no cake just cake pops” was his request with a sandwich bar. These were so fun for us to make and sooo easy! Now we just need to figure out how make his bigger one to look like a dinosaur. He is going to love these!

    Reply
  13. Jess says

    March 7, 2022 at 1:47 pm

    Hi! I cannot wait to make these. I am not a fan of box caked mix. Do you think I could just make vanilla cupcakes from scratch and then follow the instructions as written? Thank you!

    Reply

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