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Marshmallow Fondant Recipe

By: Pix
Category: Frosting Recipes

Create a delicious and functional fondant with this yummy marshmallow fondant recipe.

In the past, I’ve used store bought fondant to make small decorations on buttercream cakes. There was no way, though, that I ever thought I’d use it to fully cover a cake. The stuff tastes like sugared modeling clay, and I never wanted to ruin the entire taste of a cake just for a particular look. I was thrilled, then, when I recently discovered marshmallow fondant. It tastes delicious and is simple and inexpensive to make. It is wonderfully functional and absolutely beautiful on cakes too! Now you can have a cake that’s both yummy and perfectly smooth with this great marshmallow fondant recipe.


  • 15 ounces miniature marshmallows (about a bag and a half)
  • 2 pounds powdered sugar
  • one stick of shortening
  • vanilla
  • water

1.  The first step is to add two tablespoons of vanilla (clear vanilla if you want a pure white fondant) to a microwave-safe bowl filled with 15 ounces of mini marshmallows.

2.  Microwave the mixture for 20-30 seconds, remove, and stir.  Repeat this process until the marshmallows are completely melted.

Marshmallow Fondant Recipe

Marshmallows fresh from the Microwave

3. The next step is fun, messy, and very sticky. :) Coat your work surface with powdered sugar and prepare for some fun. This is where the shortening comes in. Coat your hands completely with it and begin kneading a few cups of powdered sugar at a time into your marshmallow and vanilla mix. Be sure that the marshmallows aren’t too hot before you start!

Powdered Sugar Marshmallow Fondant Surface

Powder Sugar Covered Work Space

4. The fondant will get tougher to work with as you add more of the powdered sugar. If it gets too dry, simply add a teaspoon or two of water and put it back into the microwave for 20 seconds, or until it softens when you knead it.  You should end up with a ball the consistency of tough clay.

5. When you have kneaded your ingredients into a ball of fondant, put a thin coat of shortening on it and let it rest for at least an hour before using. This will give it time to harden a bit more since all of the heat from your hands will have made it extra sticky.

Marshmallow Fondant

Marshmallow Fondant Ball Coated in Shortening

6. When you’re ready to roll out your fondant, it may be necessary to add another teaspoon of water and heat (courtesy of the microwave, of course) so that the big hunk of yumminess becomes more pliable. The result is a beautiful and delicious fondant that even the biggest buttercream diehard is sure to love.

Marshmallow Rolled Fondant

Rested Fondant

Yummy Marshmallow Fondant Recipe

Yummy Rolled Marshmallow Fondant

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from: moonduster

I will probably try this as a frosting for my daughter Gabby’s birthday because she adores marshmallows.

Now you have me wondering if, by using less powdwered sugar and leaving the mixture fluffy, this would make a good filling for having inside cup cakes.

from: Pix

It really is tasty. I have family and friends who despise fondant, and they were peeling this stuff off of the cake to nibble before it was even served because they loved it so much. Definitely great for a marshmallow lover like Gabby. :)

The filling idea sounds yummy! Let me know how it works out if you try it; sounds like a great experiment!

from: Gluten Free Brain Slugs

[...] Wilton’s gum paste mix, but you can make your own. I think next time I will try making my own marshmallow fondant. I’ve read it tastes much better than the gum [...]