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Dehydrating Marshmallows

Learn all about dehydrating marshmallows for a fun and crunchy addition to cocoa, desserts, or even cereal. Drying mini or full-size marshmallows is a fun and easy kitchen craft that kids and adults will love.

colorful mini dried marshmallows in a blue canning jar

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If you’re looking for a fun and unexpected little snack, try your hand at making dehydrated marshmallows. It couldn’t be any simpler and they are so poppable and tasty.

Do Dehydrated Marshmallows Shrink?

Nope, in fact, they even puff up a little bit! When you’re dehydrating marshmallows they will puff and “round” themselves out until they look like those horrible pillow mints that were given out at every single 1980s wedding.

How Long Does it Take to Dehydrate a Marshmallow?

On average it takes about 6-10 hours for mini marshmallows and 12-24 hours for larger marshmallows. A lot of factors determine the drying time; room temperature, humidity, etc.

You can ensure even drying time by rotating trays in your dehydrator every 2(ish) hours. This is the dehydrator I have and it’s very affordable and has lasted over 15 years.

If you have larger marshmallows, you can cut them into smaller pieces with kitchen shears. Dust with a bit of homemade powdered sugar to keep them from sticking together. You can also leave them whole but anticipate that it will take an entire 24 hours until they’re dried and crispy.

You’ll know they’re ready when they crumble when you try to squish them between your fingers and they don’t “give” when squeezed. They will continue to dry as they cool, so do your final test on fully-cooled marshmallows. And then pop a few in your mouth and enjoy that crunchy goodness. The key takeaway is that you can’t over-dry them. 

How to Store Dehydrated Marshmallows

Keep them at room temperature in an air-tight container like a mason jar. You’ll want to make sure the marshmallows are fully dried and cooled before putting the lid on the container.

You don’t need to be too concerned about spoilage with dried marshmallows. I mean, it’s sugar which is essentially a preservative. And the vast majority of us all have a bag of dried-out clumped together marshmallows in our pantry as we speak.

Pro Tips/Recipe Notes

dried mini marshmallows on a dehydrator tray

More Dehydrator Recipes To Try

Dehydrating Marshmallows

Prep Time0 mins
Cook Time6 hrs
Total Time6 hrs
Drying mini or full-size marshmallows is a fun and easy kitchen craft that kids and adults will love.

Ingredients

  • 10 oz bag mini marshmallows

Instructions

  • Arrange marshmallows on 1-3 dehydrator trays.
  • Spread them out on the trays but don't worry too much about them touching.
  • Set the dehydrator to 135F (57c).
  • Dry for 6-10 hours, rotating trays if you think about it. Move marshmallows around on the trays as they become drier to avoid them sticking together.
  • They're ready when they crumble when you try to squish them between your fingers and they don't "give" when squeezed

Notes

If you have larger marshmallows, you can cut them into smaller pieces with kitchen shears. Dust with a bit of homemade powdered sugar to keep them from sticking together. Or dry them whole for 24 hours.
The marshmallows will continue to dry a bit as they cool, so do your final test on fully-cooled marshmallows. You can't over-dry them. 
Nutrition Facts
Dehydrating Marshmallows
Amount Per Serving (0.66 cup)
Calories 0
* Percent Daily Values are based on a 2000 calorie diet.

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2 comments on “Dehydrating Marshmallows”

  1. Will this work with vegan marshmallows?