How To Make Mushroom Marshmallows

This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.

You can make mushroom marshmallows by infusing a classic marshmallow recipe with mushroom powder, and it’s surprisingly easy to do at home.
 
This unique treat combines the fluffy, sweet texture of marshmallows with the earthy, savory depth of mushrooms, creating a snack that’s equal parts whimsical and delicious.
 
Mushroom marshmallows might sound like a weird trend, but they’re actually a fantastic way to add a subtle umami twist to your desserts, hot cocoa, or even a gourmet s’more.
 
In this post, we’ll walk you through how to make mushroom marshmallows from scratch, covering the best mushroom varieties, the simple steps involved, and pro tips to get that perfect pillowy texture every time.
 
Let’s dive in and get your kitchen ready for this fun culinary experiment.
 

Why You Should Make Mushroom Marshmallows

Before we jump into the recipe, let’s talk about why you’d want to make mushroom marshmallows in the first place.
 
Mushroom marshmallows are more than just a novelty, they bring a savory-sweet balance that elevates ordinary treats into something memorable.
 
The mushrooms add a gentle earthiness that pairs beautifully with caramel, chocolate, or even a sprinkle of sea salt on top.
 
Plus, mushrooms are packed with nutrients like B vitamins and antioxidants, so you’re sneaking a little goodness into a classic indulgence.
 
If you’ve been curious about savory desserts or just want to impress your friends, making mushroom marshmallows is a bold and rewarding move.
 

1. The Umami Flavor Boost

When you make mushroom marshmallows, the mushroom powder doesn’t overpower the sweetness, it just rounds it out.
 
The umami naturally enhances the sugar’s complexity, making each bite taste richer and more satisfying than a standard marshmallow.
 
Try them toasted over a fire, and you’ll notice the mushrooms bring a roasted, nutty note that’s absolutely addictive.
 
So, if you love experimenting with flavors, mushroom marshmallows are a must-try.
 

2. Health Benefits in Every Bite

Another reason to make mushroom marshmallows is the nutritional upgrade they provide.
 
Mushrooms like reishi, lion’s mane, or even shiitake are known for their immune-supporting and cognitive-boosting properties.
 
While you won’t get a massive dose from a marshmallow, you’re still adding a functional ingredient to a dessert that typically has zero nutritional value.
 
Plus, the process of making mushroom marshmallows lets you control the quality of every ingredient, avoiding any weird additives.
 

The Best Mushrooms for Mushroom Marshmallows

Not all mushrooms are created equal when it comes to making mushroom marshmallows, so the choice matters.
 
You want a mushroom that’s mild, not too earthy, and that complements the sweet profile rather than clashing with it.
 
Below are the top picks that will make your mushroom marshmallows shine.
 

1. Lion’s Mane for a Mild Nutty Flavor

Lion’s mane is a top choice for mushroom marshmallows because its flavor is subtle and slightly sweet.
 
It has a delicate seafood-like aroma when cooked, but as a powder, it blends seamlessly into the marshmallow base without stealing the show.
 
This is perfect if you’re new to mushroom marshmallows and want a gentle introduction to the flavor.
 

2. Shiitake for a Savory Punch

Shiitake mushrooms bring a more pronounced, smoky savoriness to mushroom marshmallows.
 
If you love that deep umami kick in your cooking, shiitake powder will make your marshmallows taste almost like a gourmet caramel with a hidden edge.
 
Just use a little less, since shiitake can be intense, and you’ll get a perfectly balanced batch.
 

3. Reishi for an Earthy Twist

Reishi is a medicinal mushroom that’s quite bitter on its own, but when used sparingly in mushroom marshmallows, it adds an intriguing earthy undertone.
 
It’s an acquired taste, but many people love the grounding effect it has against the sugar.
 
Start with just a teaspoon of reishi powder and adjust from there to suit your palate.
 

Step-by-Step Guide to Making Mushroom Marshmallows

Now for the fun part, the actual process of how to make mushroom marshmallows.
 
This recipe is straightforward, but it does require a bit of patience and a stand mixer for the best results.
 
Don’t worry, the effort is worth it when you see those fluffy, mushroom-infused squares come together.
 

Ingredients You’ll Need

To make mushroom marshmallows, gather these simple ingredients:
 
3 tablespoons of mushroom powder (your choice from above)
 
3 packets (about 21 grams) of unflavored gelatin
 
1 cup of cold water, divided
 
2 cups of granulated sugar
 
1/2 cup of light corn syrup
 
1/4 teaspoon of salt
 
1 teaspoon of vanilla extract
 
A pinch of powdered sugar and cornstarch for dusting
 

1. Bloom the Gelatin

Start by adding the gelatin to a small bowl with 1/2 cup of cold water and let it sit for about 10 minutes.
 
While that’s blooming, whisk your mushroom powder into the remaining 1/2 cup of water to create a smooth slurry.
 
This step ensures the mushroom flavor distributes evenly throughout your mushroom marshmallows.
 

2. Cook the Sugar Syrup

In a medium saucepan, combine the sugar, corn syrup, salt, and the mushroom-water slurry.
 
Heat the mixture over medium heat, stirring gently until the sugar dissolves completely.
 
Once it’s clear, stop stirring and let it boil until it reaches 240°F on a candy thermometer, which is the soft-ball stage.
 
This is critical for making mushroom marshmallows with the right chewy texture.
 

3. Whip It All Together

While the syrup cooks, place the bloomed gelatin in the bowl of your stand mixer, and pour the hot syrup over it once it hits temperature.
 
Start mixing on low speed, then gradually increase to high, letting it whip for about 8 to 10 minutes.
 
You’ll know it’s ready when the mixture becomes thick, glossy, and holds stiff peaks when you lift the whisk.
 
This is where the magic of mushroom marshmallows truly happens.
 

4. Set and Cut the Marshmallows

Grease a 9×9-inch baking dish and dust it with a mix of powdered sugar and cornstarch.
 
Pour the marshmallow fluff into the dish, smoothing the top with a spatula.
 
Let it sit uncovered at room temperature for at least 4 hours, or overnight for a cleaner cut.
 
Once set, you can turn out your mushroom marshmallows, dust them again, and slice them into squares with a sharp knife.
 

Pro Tips for Perfect Mushroom Marshmallows

Even though the recipe is simple, a few tricks will make your mushroom marshmallows turn out flawless every time.
 
These small details separate good marshmallows from great ones.
 

1. Use a Candy Thermometer Faithfully

Don’t guess the temperature when making mushroom marshmallows, use a reliable thermometer.
 
If your syrup doesn’t reach 240°F, your marshmallows will be too soft; if it goes too high, they’ll become hard.
 
Keep that thermometer clipped to the pot and watch for consistency.
 

2. Grind Your Own Mushrooms

For the freshest flavor in your mushroom marshmallows, grind dried mushrooms into a fine powder yourself.
 
This gives you control over the texture, ensuring no gritty bits end up in your fluffy treats.
 
A coffee grinder works perfectly for this task.
 

3. Experiment with Flavor Add-Ins

Once you nail the basic recipe, get creative with your mushroom marshmallows.
 
Add a dash of cinnamon, a drizzle of maple extract, or even a touch of smoked salt on top before they set.
 
These additions can really highlight the earthy notes and make your mushroom marshmallows truly one-of-a-kind.
 

So, How to Make Mushroom Marshmallows?

You can make mushroom marshmallows easily at home by following the simple steps we’ve just covered, using your favorite mushroom powder, and whipping them into a fluffy, sweet treat.
 
The process involves blooming gelatin, cooking a sugar syrup, blending in the mushroom powder, and letting the mixture set into pillowy squares.
 
We’ve walked you through why mushroom marshmallows are worth trying, the best mushrooms to use, and all the pro tips for a perfect batch.
 
So, the next time you want to impress your friends or simply treat yourself to something different, whip up a batch of these mushroom marshmallows.
 
They’re a delightful fusion of flavors that will have everyone asking for the recipe.
 
Enjoy your homemade mushroom marshmallows in hot chocolate, on top of ice cream, or straight from the container.
 
Happy cooking, and have fun making mushroom marshmallows that are uniquely yours.