My Little Pony Rainbow Unicorn Ice Cream Cake

This Rainbow Unicorn Ice Cream Cake is homemade and decorated as My Little Pony and lots of rainbow candy! Surprise: the inside is colored as well!

my little pony rainbow unicorn ice cream cake candy

My daughter loved My Little Pony when she was turning 3, and she requested my Homemade Ice Cream Cake, so we came up with this Rainbow Unicorn design. I love ice cream cakes for birthdays because they are so versatile. You can change the flavor of the ice cream, and the Cool Whip top is virtually a blank canvas for any theme you desire. The surprise inside of this cake is that the ice cream is colored in bright neon colors!

I originally wanted to make a rainbow arch using Airheads Xtremes but could not find them anywhere, so I settled for the Airhead Xtremes Bites which ended up making a super cute rainbow pathway. I got most of the candy at Party City, but I wanted to try finding some online options due to partial closures of stores right now. I’ve included the links below.

I used striped lollipops in rainbow colors to line the outside of the rainbow path.

rainbow path on unicorn ice cream cake my little pony

I made a little arch out of a sour rope candy and propped it up with toothpicks. Extra Cool Whip dollops served as “clouds” to anchor the ends of the rope.

rainbow path on unicorn ice cream cake

Ella wanted this toy dinosaur on the cake, so I made extra crushed cookies and gave him a crushed cookie dirt pile to play in, some blue sprinkles for a little stream of water, and some fish sprinkles. I can envision a very cute dump truck theme with cookie dirt as well!

dinosaur ice cream cake

Inside of the Rainbow Unicorn Ice Cream Cake

Rather than using both vanilla and chocolate ice cream like in the original recipe, I chose to use only vanilla so I could color the ice cream different colors to fit with the rainbow theme. I colored the ice cream 4 different colors using McCormick Neon Food Coloring. Then scooped in alternating colors onto the cookie crust. I used a small silicone spatula to spread the ice cream carefully, smoothing the surface before freezing to set up.

Rainbow Unicorn Ice Cream cake
steps to make rainbow unicorn ice cream cake

While the cookie-based crust is amazing, the homemade fudge layer really takes the cake (ha). Each time I make this, I’m told that it is far better tasting than a Dairy Queen ice cream cake (which is pretty much what I grew up on!). It’s pretty easy to make as well; it just takes some time to freeze the cake between the addition of layers. The final layer before decorating is the Cool Whip, which can also be colored as you see fit. I’ll be posting another ice cream cake soon where I colored the Cool Whip to fit the theme.

inside neon unicorn ice cream cake

I think this time I made the cake I spread some crushed cookies on top of the fudge too. Dairy Queen cakes also have that crunchy cookie layer.

Rainbow Unicorn ice cream Cake inside

The colorful inside is a surprise for party guests!

Rainbow Unicorn Ice Cream Cake inside

I can say for certain this cake was a hit with both the kids and the adults, and most importantly with the birthday girl herself!

My Little Pony rainbow unicorn ice cream cake

List of candy used to decorate the Rainbow Unicorn Ice Cream Cake


Airheads Xtremes Bites
Nerds Rope Rainbow Candy
Wilton butterfly sprinkles (I can’t find a similar product but these unicorn sprinkles are GORGEOUS and now I want them!)
Colored striped lollipops (these are not the same but are cute rainbow colors)
Wilton colored sugar sprinkles

Gluten Free Option for Rainbow Unicorn Ice Cream Cake

I have used Glutino or Great Value brand (Walmart) gluten free sandwich cookies to make an entirely gluten free ice cream cake. Any brand of gluten free sandwich cookies should work.

rainbow unicorn my little pony ice cream cake

Looking for More Birthday Party Ideas?

Check out these other themed cakes and parties:
Rainbow Brownie Ice Cream Sandwiches
Frozen Cake and Birthday Party
Daniel Tiger Cake and Birthday Party
Penelope Bird Cake and Cookies Birthday Party
Winter Wonderland 1st Birthday Party

rainbow unicorn ice cream cake

My Little Pony Rainbow Unicorn Ice Cream Cake

Meghan
This Dairy Queen copycat ice cream cake has a colorful inside and can be decorated to fit any theme!
Prep Time 30 mins
Cook Time 10 mins
Chill Time 4 hrs
Total Time 4 hrs 40 mins
Course Dessert
Cuisine American
Servings 12 or more servings

Equipment

  • 9×13-inch glass dish or metal pan

Ingredients
  

For the crust layer:

  • 2 1/2 cups crushed chocolate sandwich cookies such as Oreos
  • 1/2 cup 1 stick melted butter
  • 1/2 cup granulated sugar

For the ice cream layer:

  • 1 – 1 1/2 gallons vanilla ice cream (depending on the depth of the pan)
  • Food coloring (if desired )

For the hot fudge layer:

  • 2 cups powdered sugar
  • 2/3 cups semisweet chocolate chips
  • 12 ounce can evaporated milk
  • 1 stick butter
  • 1 teaspoon vanilla extract

For the topping:

  • 8 ounces of Cool Whip (thawed per package directions)

For the decorations:

  • Airheads Xtremes Bites
  • Nerds Rope Rainbow Candy
  • Wilton butterfly sprinkles
  • Colored striped lollipops
  • Wilton colored sugar sprinkles

Instructions
 

  • Combine 2 cups crushed cookies with melted butter and sugar. Press into a 13×9-inch pan (or two 9-inch round or springform pans). Freeze for 15 minutes.
  • Divide ice cream into 4 medium bowls. Color as desired. Scoop alternate colors on top of crust until all ice cream has been scooped. Carefully spread the ice cream evenly, smoothing the surface of the layer with a silicone spatula. Freeze for 3 hours.
  • To make the fudge sauce, combine the powdered sugar, chocolate chips, evaporated milk, and butter in a saucepan and bring to a boil for 8 minutes, stirring frequently. Remove from heat and stir in the vanilla. Cool to room temperature.
  • Spoon the fudge sauce on top of the ice cream layer and smooth with a silicone spatula. Freeze until firm.
  • Color Cool Whip if desired. Spread Cool Whip on top. Decorate to fit any theme!

Notes

You’re Gonna Bake It After All
bakeitafterall.com
Keyword birthday, cake, dessert, ice cream, party, unicorn


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