Learn how to dehydrate marshmallows for yourself, and take the next step with how to make marshmallow powder with this easy DIY! And yes, they are just like those fun cereal marshmallows you remember as a kid!
Who doesn't love a big steaming mug of hot cocoa? Especially if it's been made with cream or milk, and a huge mountain of marshmallows or whipped cream? If we're going to do it, we're going to do it up big, right? Calories be damned!
But how often have you been disappointed to go into your pantry and all you find are little envelopes of some cheap cocoa mix and a half bag of dried up, gummy, sticky marshmallows that are just sad? We have to fix that!
One option, of course, is to make your own DIY cocoa mix that's really tasty, and to vacuum seal your marshmallows so that they stay fresher, longer. And that's an experiment you can do with your kids one day because it's fun and they'll want to do it over and over.
But there is an alternative!
You can dehydrate marshmallows!!! Really! Dehydrating marshmallows is one of the easiest projects for a beginning dehydrator recipe.
There is virtually no prep work and little maintenance. Not only have you created a handy pantry staple for cocoa down the road, they are a super-fun snack treat for kids! Think of that lucky cereal that you buy in the spring with all the shapes -- but better because you don't have to contend with the icky cereal - just the good bits of crunchy sweetness!
How to Dehydrate Marshmallows
So go grab a few bags of marshmallows. The size and shape don't matter, and the flavored ones can be really fun to do around the holidays.
1. Cut larger marshmallows to smaller sizes:
While mini marshmallows can certainly go on the dehydrating racks, it's helpful to cut larger ones down. It just makes the drying time go so much faster. You can use scissors or a knife, but I suggest keeping a wet cloth with you to occasionally clean the blades. Confectioner's sugar (powdered sugar) handy to dust your scissors or knife helps, too.
This does mean that the larger shaped marshmallows won't have their shape any longer, but it could save you hours in drying time.
2. Lay marshmallows in a single layer, not touching
While there are many foods I am not so particular about separating (such as greens as they begin to shrivel almost within the hour), I do make a little effort to separate marshmallows so that they don't stick and dry inefficiently.
But marshmallows are playful and like to roll and move, so don't fuss over placement.
One Excalibur Dehydrator tray holds about half a bag of mini marshmallows easily, giving plenty of room to breathe.
READ MORE>> Tips for Buying Your First Dehydrator
3. Dehydrate Marshmallows at 150°F / 62°C
Timing is dependent on how large your marshmallows are, the humidity level of your home's atmosphere, the strength of your dehydrator, and the position of the Earth to Venus (just kidding on that last one - not really, but really).
- Minis - generally take from 4-12 hours
- Large - generally take up to 10-24+ hours
*NOTE: for large shaped or highly colored marshmallows, dropping them temperature down to 125F/35C may help stop some of the puffing that happens with things like Peeps marshmallows or the fancier marshmallows (see below)
However, know that you just can't ever dry them too long. The longer they stay on the trays, you can be assured they are fully dried. I actually kept this latest batch in for over 24 hrs. Partly because it had been raining all day, and partly because I wanted them SUPER dry for doing the powdering.
► YOU MIGHT ALSO LIKE: How to Dry Cherries with a Dehydrator
How do you know when dehydrated marshmallows are done?
Dehydrated marshmallows are done when they are completely crunchy and shatter when you bit them or crush them in your hands. If you find a little area that still looks raw, dry them more.
But first, before you test, allow them to come to room temperature before testing. They stay a little soft while they're still warm.
Also, understand that marshmallows don't shrink the way other dehydrated foods do. Some of them may actually pillow up a little like these peppermint marshmallows do.
Skip to the 11:54 mark if you want to jump straight to the powdering phrase.
If you'd rather skip the work, you can purchase dehydrated marshmallows in bulk, but you'd want to repackage them for long-term storage. My son used to get this canister version for Christmas every year. He snacks on them and adds a little hot chocolate to his mug of marshmallow bits.
Oven Drying Directions
Unlike a dehydrator, ovens don't go low enough to dehydrate without cooking, unless you have the new ovens with a dehydrating feature.
What you can do is set your oven at its lowest setting, and prop the door open to allow much of that heat to escape. I don't have an accurate time frame as I've never done them that way, but you can expect anywhere from 5-12 hours in the same fashion.
Please be cautious if you have young children as they won't know not to touch an open oven door that may be hot.
Air Drying Instructions
This is a cheat. You can just leave a bag that's been opened but not sealed completely in your pantry. In about three months, you'll have gummy, hard little marshmallows. Leave them a few months more and they'll be rock solid dense little balls. NOT the fluffy, airy, crunchy delights that we're talking about. I hate it when that happens, but it does work!!
Tools I use in my kitchen to dehydrate:
- Dehydrator. I use both the Excalibur Dehydrator and the square Nesco FD-80. Both are great dehydrators on either end of the budget spectrum.
- Vacuum sealer. We use a FoodSaver with the regular mouth attachment and the wide mouth attachment.
- Oxygen absorbers and silica gel/desiccant packs (however, you can make your own moisture absorbers)
- Canning Jars or other air-tight containers
How to Store Dehydrated Marshmallows
Store in airtight containers or use a vacuum sealer to seal a jar if you want, but it isn't necessary. You can use a mylar bag for long-term storage. You can also double bag into freezer ziptop style bags.
However, zip-top bags are not a great solution for long-term storage as they will allow air to permeate the plastic after a while. However, you can do smaller quantities in zip-top bags and then store in a larger, air-tight container with no problem.
Want to see how dehydrated marshmallows are made?
Ways to Use Dehydrated Marshmallows
Dried marshmallows aren't just for tossing in cocoa anymore, although that's a great use. Here are some other ideas on ways you can use dried marshmallows every day!
- Add to hot chocolate/hot cocoa for a slow-dissolving marshmallow treat
- Add to Rice Krispies treats for a crunchy texture change (not in place of the marshmallows in the recipe, but as an add-in
- Add to cereal to create a 'Lucky Charms' experience
- Use to put into Hot Chocolate Bombs for gift giving.
- Make Dehydrated Marshmallow Pops and Peppermint Stir Sticks for hot cocoa
- Create Marshmallow Powder (directions below).
- Crunchy S'more Trail Mix
How to Make Marshmallow Powder
After dehydrating marshmallows, one of the first things you'll think is, "How on earth will I use all of these?" I'd like you to consider marshmallow powder.
Marshmallow powder is as easy to do as grinding herbs. They powder effortlessly (assuming they are completely dehydrated).
- Place marshmallows in your grinder of choice. I love the Nutri-Ninja bullet blender because it allows me to do more than a coffee grinder and doesn't take up the room of a blender. But you can use anything.
- Pulse in spurts, occasionally shaking if needed to make sure the last bits get to the bottom to be ground.
How to Store Marshmallow Powder
It's helpful to make only as much as you need. However, you can store dehydrated marshmallow powder in an airtight container, with a mason jar and a good lid preferred. Because of the ingredients, it doesn't clump in the same fashion as dehydrated fruit powder, but over time, the sugars can tend to get clumpy, which is why you don't want to store big batches of it.
►LEARN MORE: Guidelines for Storing Dehydrated Powders
How to Use Marshmallow Powder
This is still an area we're experimenting with, but these are some practical ways to use it
- Flavor hot cocoa. A mound of marshmallow powder looks so pretty on top of hot cocoa, and to watch it melt into the steaming liquid is like watching science and art combined.
- Use as dusting snow for gingerbread house making. The cool thing is that powdered marshmallow looks more like snow than confectioners' sugar. And it does blow away or melt in the humidity. And as it gets a little residual humidity in the air, it tends to stick well (almost like glue) and is pretty!
- Sweeten tea. Yes, actually, it melts and can be used as a sweetener. and peppermint marshmallow powder adds a touch of sweetness and peppermint.
- Dip cut fruit in it for a pretty presentation (and to help not-quite-sweet fruit taste a little better!)
- Substitute powdered sugar in cookie recipes like Mexcian wedding cookies for an alternative flavor.
I'd love it if you'd leave a comment on a way you've used marshmallow powder!
Make Your Own Homemade Marshmallows
If you're really intrigued by marshmallows, you can try some of these homemade varieties:
- DIY Homemade Marshmallows
Paleo Marshmallows (made with honey)
- Raspberry Marshmallows
- Chai Spiced Maple Marshmallows
- Vegan Marshmallows
- Chocolate Marshmallows
- Hot Popcorn Marshmallows (THIS IS A THING!)
- Rose Flavored Marshmallows (If you are a Narnia fan, these remind me a little of Turkish Delight!)
- Pomegranate and Cranberry Marshmallows
Historically, homemade marshmallows don't always dehydrate well. But if you find yourself making them, and have a few leftover, give it a try so that you'll know if your recipe works. I tried some raspberry ones that I recently purchased at a local farmer's market and they did not. But I've heard tell that some folks have been successful at it.
Can you Flavor Store-Bought Marshmallows?
Sometimes, you will hear that there is a new flavored marshmallow on the market, but no matter how many stores you visit, you can't find them. I ran into it this year with the peppermint marshmallows (and do NOT buy the Walmart version - they taste like Wint-o-green, NOT peppermint).
It is as simple as spritzing some flavor extract onto your marshmallows. Don't soak them, but spritz them with a fine spray. I keep a small spray bottle I picked up in the travel section to use for spritzing jobs in the kitchen. I mix a little water with extract, and just spritz it on the surface of the marshmallows.
Flavors to try:
- Pumpkin spice - spritz the marshmallows with water and dust them with pumpkin spice. Or just dust them and try to tap it into the surface with your hands.
- Chai tea blend
Can You Dehydrate Peeps Marshmallows?
Yes, yes you can! Learn more how to do that here.
Can You Dehydrate Lucky Charms Marshmallows?
Why, yes, they are magically dehydrated! These are larger than the cereal box variety, but using the above instructions makes them crunchy marshmallow goodies.
However, we found that the red did not have the same results and could occasionally be not such a great bite, even though they were completely dehydrated. But they are so much fun.
Or..if you want to keep your dehydrator open for another project, you can get a big ol'bag of 'Charms Cereal Marshmallows' and add them to everything - even some Rice Krispies Treats!
Can You Dehydrate Roasted Marshmallows?
Yes! Roast marshmallows under the broiler of your oven on each side, then place into dehydrator to dry. Drying roasted marshmallows make the best s'more snack as it includes all the flavors with that twist of a crunch!
Dehydrating Seasonal Marshmallows
Every season brings out a new flavor of marshmallows, but nothing like what fall and Christmastime bring.
The flavors of fall have led way to all sorts of twists on marshmallow flavors and shapes. While Peeps started it long ago, the last few years have brought a flurry of flavors to play with.
Dehydrate them all. Really - they work the same. The only ones I don't recommend drying are the ones from really off-brand manufacturers (stories that they melt and make huge messes) and stuffed marshmallows.
DIY HOT COCOA MIX
Here are some Make Your Own Hot Chocolate Recipes you might want to try, too!
More Marshmallow Ideas
How to Dehydrate Marshmallows
- 1 bag Mini marshmallows
- Open bag
- Place on dehydrator trays
- Dry at 150°F / 57°C for 6-8 hours until a cooled marshmallow shatters in your hands or mouth.
- Store in an airtight container
Make Marshmallow Powder
- Put dried marshmallows into a blender
- Pulse until you have a rough powder
- Run on full grind until you have a fine powder
- Store in an airtight container
Nutritional information is an estimation only. Nutrient information for dehydrated foods is based on fresh. Use ¼ of the servicing size for the same nutrient information. Thus 1 Cup of fresh fruit has the same sugars as ¼ dried.
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Hello. i wondered if I can put Some of the powder into the recipe of homemade icecream. And how much?
Greetings from the netherlands
Darcy Baldwin says
You can, but I can't tell you how much - powders are always by taste.
Carol Ann Huddleston-Biggs says
If you don’t have a Dehydrator, can I use my oven?? What temperature and for how long ?? Thank you.
Darcy Baldwin says
Same temperature - until they are dry. If your oven doesn't go to 150F or lower, the marshmallows will likely melt.
Rhonda Rupe says
This is day three and my marshmallow powder is showing signs of moisture what can I do?
Darcy Baldwin says
Day three of - having been powdered? Are you storing it in an airtight container? Have you been getting in and out of the jar? What kind of marshmallow is it? Have you tried drying it a bit more and storing it with a desiccant pack?
Maria Oemig says
Do you have a recipe for Sugar-free Cappuccino mix?
Valerie Kitchen says
You can also use marshmallow powder when making hard candy (tack candy)! This will keep the pieces from sticking together and is very delicious!
So basically like using powdered sugar. Thanks for the tip.
A fun powder flavor to use in milkshakes and to top icecream,
Also great for decorating cakes cupcakes and cookies!
Do you flavor the marshmallows prior to dehydrating?
Yes, if you flavor after, you'll add more moisture to the marshmallow.
What do you flavor the marshmallows with prior to dehydrating?
Darcy Baldwin says