Easy Marshmallow Fondant

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Marshmallow Fondant is an easy fondant made of marshmallows, water, and powdered sugar. It is very simple to make. My children prefer the taste over regular fondant, since it tastes like extra sweet marshmallows.

Marshmallow fondant can be used to cover cakes, form shapes, and make candy.

This recipe makes over 1 pound of fondant, and can easily be halved or doubled.


  • 8 ounces or 4 cups (unpacked) miniature marshmallows
  • 4 cups powdered sugar, plus extra for dusting
  • 2 tbsp water
  • Food coloring (optional)
  • Vegetable Shortening



  • Dust your workspace with powdered sugar. Place the marshmallows and the water in a large microwave-safe bowl. Microwave on high for 1 minute, until the marshmallows start to puff and expand.
  • Stir the marshmallows with a rubber spatula until they are melted and smooth. If needed, return the marshmallows to the microwave for 30 seconds until the marshmallow mixture is smooth and free of lumps. Several drops of food coloring may be added at this point, stirring until it is completely incorporated into the marshmallow mixture. If you need to create multiple colors from a single batch of fondant, do not add the food coloring at this step.
  • Add the powdered sugar and begin to stir with the spatula. Stir until the sugar begins to incorporate with the mixture and can no longer be stirred.
  • Scoop the marshmallow mixture onto your work surface. It will be sticky and may appear lumpy, with lots of sugar that has not been incorporated yet. This is normal. Coat your hands with vegetable shortening and begin to knead the fondant mixture like bread dough, working the sugar into the marshmallow with your hands. Keep the shortening close by in as you go as you will need more throughout the process.
  • Continue to knead the fondant until it smooths out and loses its stickiness. Roll it into a ball and coat it with a thin layer of vegetable shortening. You can now roll it out, shape it, or wrap it in cling wrap to use later.
  • If you want to add coloring to your fondant, flatten it into a flattened circle. Add your desired amount of coloring to the center of the circle, and fold it over on itself so that the color is enveloped in the center of the fondant.
  • Knead the ball of fondant just like you did previously. Continue to knead it until the fondant is a uniform color. Your fondant is now ready to be used or stored. If you are not using it immediately, cover it with plastic wrap so it won’t dry out. You can store it in the refrigerator or a cool room until ready to be used.
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