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The Best Marshmallow Cupcake and Cake Filling

The Best Marshmallow Cupcake and Cake Filling

This filling is the best marshmallow filling around! It’s so fluffy, light, and perfectly sweet. It’s the perfect compliment to chocolate cake and cookies & cream buttercream. Whether you are stuffing it in a cupcake or in between cake layers, it’s sure to leave you wanting another bite. 

Cookies and Cream Cupcakes

One nice things about this marshmallow filling, is that it can be made ahead of time. It can be stored at room temperature for up to 5 days in an ai tight container!


Yield: fills 24 cupcakes or one 3 layer cake

Cookies & Cream Cupcake and Cake Filling

cookies and cream cupcake ideas

This marshmallow cream filling is one you'll want to eat right out of the bowl!

Cook Time 10 minutes
Total Time 10 minutes


  • 1 cup of unsalted butter
  • 1 cup of powdered sugar
  • 1 jar of Jet-Puffed Marshmallow Creme
  • 1 teaspoon of pure vanilla extract


  1. In a medium size bowl, combine butter and sugar with a hand mixer. Combine until fluffy.
  2. mix in marshmallow creme, and mix until combined.
  3. Lastly, add in vanilla extract and stir on high until all ingredients are incorporated, and the mixture looks fluffy.
  4. fill your desired cupcakes or cake with the filling, and enjoy!


This filling pairs well with my chocolate cake recipe! Give it a try!

Happy baking!




Baker & Owner at Tiny Bird Bakeshop
Ashley has contributed 12 articles on since December 18, 2023.


Friday 15th of March 2024

I *might* eat the leftovers of this delicious marshmallow cream filling by the spoonful when you aren’t looking.😜

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