Made with rice cereal, yellow cake mix, and sprinkles (lots and lots), these Funfetti Birthday Cake Rice Crispy Treats are unreal. I swear, you’ll be surprised by just how much they taste like real birthday cake. Honestly, it’s kind of trippy.
Oooh, there are so many occasions you’ll want to make these treats. Kids’ birthday parties, classroom celebrations, office parties, sleepovers, and so many other occasions. These aren’t just pretty, they’re really convenient, too.
Looking for other Rice Krispies treats for a crowd? Check out our condensed milk Rice Krispies treats or our fruity pebbles treats.
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Why You’ll Love This Recipe…
- I’m telling you, from the very first bite, you’ll be genuinely shocked by how much these treats taste like actual birthday cake.
- Want something a little different from birthday cake? These make a super fun and totally unexpected alternative to traditional cake.
- These treats are gooey but still have that slightly crispy texture that’s super satisfying. It’s the gooey/crispy combo that makes it really hard to stop at just one serving.
Ingredients
- Rice Cereal – we use fresh name-brand rice cereal, as we’ve found generic cereal tends to be a bit more crumbly.
- Cake Mix – we use yellow cake mix for that buttery authentic flavor.
- Marshmallows – always use fresh marshmallows (mini marshmallows melt faster than larger ones)
- Butter – unsalted is great because it allows you to control the amount of salt in your treats.
- Frosting – For this recipe, we went with store-bought vanilla frosting, but if you have your own recipe, use it.
- Sprinkles – classic rainbow sprinkles, aka Jimmies.
- Vanilla extract – enhances the buttery birthday cake flavor.
- Salt – makes the flavors pop.
See the recipe card for quantities.
How to Make Birthday Cake Rice Crispy Treats
Spread the cake mix on a baking sheet and bake at 350°F for 5 minutes. Let cool completely.
Lightly spray a 9×9-inch pan with nonstick spray and set aside.
In a large pot over low heat, melt the butter and salt. Add 10 oz of the marshmallows and stir until completely melted and smooth.
Remove from the heat and stir in the vanilla and cooled cake mix until fully combined.
Fold in the Rice Krispies until evenly coated.
Stir in the remaining marshmallows and sprinkles.
Transfer the mixture to the prepared pan. Use lightly buttered or damp hands to gently press the treats into an even layer. Don’t compact them or the bars will turn dense.
Let it sit for 1 hour before cutting into squares.
Pipe the frosting on each square and add additional sprinkles. Enjoy!
Top Tip
To avoid your treats getting too hard, don’t overheat the marshmallow mixture or press the cereal mixture too firmly into the pan.
The sprinkles will melt some when you add them to the warm treats mixture. This is normal. To avoid the colors mixing too much, wait to add the sprinkles last.
Storage
Store your new favorite birthday cake crispies in an airtight bag or food storage container. They’ll stay fresh for up to 3 days.
Freeze them if you want longer storage. First wrap them individually, then place them in a freezer-safe zipper bag or container.
Other No Bake Desserts You’ll Love
- No Bake Mixed Berry Cheesecake
- Strawberry Rice Krispie Treats
- Lemon Mousse Recipe
- Strawberry Cheesecake Dip
- Easy Oreo Delight
FAQ
I know it’s hard to believe, but yes, they really do taste like birthday cake. It’s the combination of butter, cake mix, and sprinkles that makes every bite feel like a forkful of your favorite cake.
Although these aren’t our gooiest treats like our condensed milk treats or fruity pebbles treats, they shouldn’t be too firm. This happens for a few reasons. You may have accidentally overheated the marshmallows, or you pressed the treats too firmly in the pan.
Yes, that’s what we did. Raw cake mix can contain bacteria, so we bake it at 350 degrees for 5 minutes before adding it to the treats.
Birthday Cake Rice Krispie Treats
Ingredients
- 6 Cups Rice Krispie Cereal
- 12 Oz Mini Marshmallows Divided
- 5 Tbsp Unsalted Butter
- 1 Tsp Vanilla Extract
- ¼ Tsp Fine Salt
- ½ Cup Yellow Cake Mix
- ⅓ Cup Rainbow Sprinkles
- 1 Cup Vanilla Frosting Store Bought or Homemade
- Nonstick Spray
Instructions
- Spread the cake mix on a baking sheet and bake at 350°F for 5 minutes. Let cool completely.
- Lightly spray a 9×9-inch pan with nonstick spray and set aside.
- In a large pot over low heat, melt the butter and salt. Add 10 oz of the marshmallows and stir until completely melted and smooth.
- Remove from the heat and stir in the vanilla and cooled cake mix until fully combined.
- Fold in the Rice Krispies until evenly coated.
- Stir in the remaining marshmallows and sprinkles.
- Transfer the mixture to the prepared pan. Use lightly buttered or damp hands to gently press the treats into an even layer. Don’t compact them or the bars will turn dense.
- Let it sit for 1 hour before cutting into squares.
- Pipe the frosting on each square and add additional sprinkles. Enjoy!
Notes
- This recipe can be made in a 9×13 pan for thinner squares.
- Store leftovers in an airtight container at room temperature for up to 3 days.
- Make sure you spray the utensils with cooking spray; this recipe is sticky.
Nutrition
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