Toasted Marshmallow Buttercream Frosting

Toasted Marshmallow Buttercream Frosting www.cookiesandcups.com
thebasics

This frosting is SO fun!  It’s Toasted Marshmallow Buttercream Frosting…with toasted marshmallows mixed right into the buttercream.  The toasted marshmallows give the frosting a delicious flavor and marshmallow texture!  Perfect for cake filling or cupcake frosting!

 

So this frosting.

I’m just gonna say that’s it’s insanely delicious.  Not because I made it.

Well, maybe that.

But because how did I not think of this sooner?

 

And I didn’t Google it because I would like to go on believing I invented it.

And Google is an inventors dream-killer.

 

But anyway it’s so super simple I can’t take it… it’s a basic buttercream, with toasted melty marshmallows mixed right in.

Duh, right?

 

The marshmallows give it an insanely yummy flavor, but also a cool texture!  Like a cross between marshmallow and frosting, which obvi… it is.

 

Of course, piped some on top of a vanilla cupcake and sprinkled Rice Krispie Cereal, because Rice Krispies are my love language.

But I could totally get down with this on a chocolate cupcake with graham cracker crumbs sprinkled on top. S’mores, FTW!

 

So let me show you…Toasted Marshmallow Buttercream Frosting…

Toasted Marshmallow Buttercream Frosting www.cookiesandcups.com

Just mix up a basic buttercream.  You’re gonna go a little lighter on the sugar because the marshmallows add sweetness.

Toasted Marshmallow Buttercream Frosting www.cookiesandcups.com

Then spread marshmallows on a parchment lined baking sheet…

Toasted Marshmallow Buttercream Frosting www.cookiesandcups.com

And toast them under the broiler for just about 45 seconds, until they look like this…

Toasted Marshmallow Buttercream Frosting www.cookiesandcups.com Immediately mix that right into the frosting.

Toasted Marshmallow Buttercream Frosting www.cookiesandcups.com

And beat the heck out of it!

Let it cool a bit before piping or spreading.  You’re gonna LOVE the texture of this frosting.

And it works perfect as a filling to a cake!

IMG_8962

As it cools it will stiffen up, so don’t go adding a bunch more powdered sugar!

 

5.0 from 5 reviews
Toasted Marshmallow Buttercream Frosting
 
Ingredients
  • 1 cup butter, room temperature
  • 4 cups powdered sugar
  • 2 Tbsp milk
  • 10 oz mini marshmallows
Instructions
  1. In bowl of stand mixer beat butter until smooth. Add in powdered sugar slowly and then milk and continue mixing until smooth.
  2. Turn oven onto broil. Line a baking sheet with parchment paper and spread marshmallows out in an even layer. Place under broiler for about 45 seconds until they are browned and puffed. Watch closely because they will burn very quickly.
  3. Immediately scrape the marshmallows in to the butter mixture and beat until smooth.
  4. The frosting will be warm due to the marshmallows, so allow it to cool completely before spreading or piping.

 

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52 Comments on "Toasted Marshmallow Buttercream Frosting"

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Betsy | JavaCupcake.com
Guest
February 27, 2014 5:54 am

Genius! I love how the little bits of the toasted marshmallow can be seen in the frosting 🙂

Tieghan Gerard
Guest
February 27, 2014 8:51 am

This is amazing! I love that it is real marshmallow and not fluff!

Liz @ Tip Top Shape
Guest
February 27, 2014 8:51 am

This looks great!!!!

SaraJ
Guest
SaraJ
February 27, 2014 8:59 am

Yummy. Would it be totally wrong to frost Rice Krispy treats?

Janine (sugarkissed.net)
Guest
February 27, 2014 9:26 am

What a creative way to add flavoring to buttercream! Sounds delicious!

jennifurla
Guest
February 27, 2014 10:25 am

Printed. Thanks!

Erin | The Law Studen
Guest
February 27, 2014 10:30 am

I think the heavens just opened an angels sang. LOVE this. I kind of want to put it on my PB toast. Marshmallow buttercream for breakfast? I vote yes.

Georgia @ The Comfort of Cooking
Guest
February 27, 2014 11:19 am

I love those little bits of toasty marshmallow in this heavenly frosting, Shelly! It’s divine!

Melissa @ Treats With a Twist
Guest
February 27, 2014 1:41 pm

OMG!! I want this! Just straight up. Maybe piped onto graham crackers spread with pb?! Maybe yes. It reminds me of why I love 7-min frosting, because of that marshmallowy texture! And burnt marshmallows are my FAV

Shashi @ RunninSrilankan
Guest
February 27, 2014 2:32 pm

Frosting AND toasted marshmallow lovers unite! This frosting is EPIC!

DessertForTwo
Guest
February 27, 2014 3:54 pm

Will you marry me? (please bring a drum of this frosting with you)

Angelyn @ Everyday Desserts
Guest
February 27, 2014 5:14 pm

can I just eat this by the spoonful??

Dalila G.
Guest
Dalila G.
February 27, 2014 8:15 pm

What a wild and fabulous idea!!
As far as I’m concerned, you invented this frosting, I’m NOT going to Google it, that’s my story and I’m sticking to it. 🙂
I will be trying this recipe for marshmallow/buttercream icing this weekend on my cupcakes, thanks Shelly!

Erin @ The Spiffy Cookie
Guest
February 27, 2014 8:38 pm

Oh yum! I once made toasted marshmallow ice cream and that was great too. I gotta figure out a cupcake to frost this with!

Dorothy @ Crazy for Crust
Guest
February 27, 2014 9:34 pm

You are SUCH a genius! OMG. Toasting them first…wow. And yeah, google is really good at dream killing. I stopped googling a long time ago. 🙂

heather
Guest
February 27, 2014 10:14 pm

YOU are smart and I love you. The end.

Leanna R
Guest
Leanna R
February 28, 2014 5:47 am

You have me thinking. I made some peppermint marshmellows at Christmas and have some left (why?). Anyway cut them up and toast them. They are pink, too……….

Jenn
Guest
February 28, 2014 7:49 am

Would you judge me if I made this as a snack? Like, right now at 7:45 a.m.??

Amy B
Guest
Amy B
February 28, 2014 9:35 am

Perfect timing. I have been looking for the “right” frosting to put on top of oreo cupcakes (made with the new rice krispy marshmellow oreos). This will be perfect!

Cookbook Queen
Guest
February 28, 2014 5:39 pm

I SO need a giant bowl of this, a package of graham crackers, the Oscars and a bottle of wine. Can you tell I’ve given this some thought? 😉

Paula – bell’alimento
Guest
March 1, 2014 11:41 pm

You had me at Toasted Marshmallow Buttercream Frosting! Just wow! Love!

Marissa | Pinch and Swirl
Guest
March 3, 2014 12:18 pm

I didn’t think anything could top vanilla buttercream, but you’ve done it. Yum!

Mercedes
Guest
March 3, 2014 5:48 pm

I can already taste this on top of a s’more cupcake! Pinning for future reference!

Miranda
Guest
March 4, 2014 3:21 pm

This looks amazing! It’s definitely something I’m going to have to try on my next batch of cupcakes. 🙂

Lynna
Guest
March 6, 2014 1:09 am

This sounds glorious. Enough said. 😉

Lindsay
Guest
March 8, 2014 7:33 am

You’re simply a genius

Nancy @ gottagetbaked
Guest
March 12, 2014 12:33 am

This is so amazing! I tried making something like this once but my marshmallow became hard little bits in the frosting. I’m definitely going to have to try again with your recipe. Pinned!

Renee @ Awesome on $20
Guest
March 13, 2014 2:47 am

This sounds amazing! Have you googled it yet?

Amy
Guest
Amy
April 17, 2014 10:30 am
Hi there, I’m making your perfect funfetti cake with this frosting and the sprinkle streusel topping for my best friend’s daughter’s first birthday party tomorrow! I’ve just finished making this frosting but it’s very goopy, definitely doesn’t seem like it would be useful for piping at all and I’m worried it will just drip outside the cake if I try and put it between the two layers. Any advice? Followed directions to a T but I’m in Ireland and I’m wondering if the marshmallows here might not be exactly the same as the ones from the States so maybe they… Read more »
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Katie
Guest
July 3, 2014 5:35 pm

Planning on using this recipe for a “Lucky Charms” cupcake! Thanks!!!! 😀

Lauren
Guest
Lauren
August 16, 2014 7:33 pm

Every time I make this frosting it is just so runny. I even put it in the freezer for an hour.
So disappointed because it certainly tastes amazing.
Maybe it’s the humidity here in Houston? I mean there’s never a day when it’s less than about 95% humidity.

Lauren
Guest
Lauren
April 17, 2015 2:29 pm
I made moist double chocolate cupcakes and made this frosting for the top along with crushed Graham crackers. It is amazingly delicious- tastes just like a fresh roasted marshmallow! I am in love. One thing I did was cut back on the powdered sugar. I always dislike basic recipes that use 4 cups. I think it’s overkill on sweetness, hides flavors, and it’s always too much for just 12 cupcakes. I used about 2 cups powdered sugar and a bit less butter. I still used the full 10 oz. of toasted marshmallows cause I wanted a strong flavor to shine… Read more »
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[…] used a cake mix, and then I filled them with Nutella, and the recipe for the frosting you can find here. I made these for Yufei’s birthday and he took some to work and they were a […]

Nichole
Guest
January 4, 2015 12:58 am

I just made this to put on chocolate cupcakes. It’s insanely good!

Andrea
Guest
Andrea
January 15, 2015 1:03 am

Looks yummy! How many servings?

Nancy KV
Guest
Nancy KV
January 26, 2015 1:29 am

Truly perfection! I made this frosting to fill some vanilla macarons for my brunch yesterday. It’s genius! The toasted bits are fantastic. Thank you for the awesome recipe!

Michelle
Guest
Michelle
January 28, 2015 1:43 pm

OH MY AWESOMENESS!!!!!!! This buttercream is the BOMB!!!!!!!!!!! Thank you so much for creating this and sharing it with all of us!!!!

Michelle

Cheryl Page
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Cheryl Page
February 5, 2015 1:02 pm

FYI, the Ad’s are slowing your site WAY down, taking over a minute to change pages. Then they come on obnoxiously loud.

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Sophie
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Sophie
April 15, 2015 10:32 am

Hi, will this frosting be just as good refrigerated and saved for a few days before used? Thanks!

Ana
Guest
Ana
May 10, 2015 11:48 am

I made this icing last night and oh my goodness it is so good! I love the crunchiness of the marshmallows and the light flavor of this icing. It’s hard not to eat it by the spoonful!

Azza
Guest
Azza
July 8, 2015 3:20 am

Hi. Can I color this frosting – using gel paste? If yes, at what stage (before OR after adding/mixing the marshmallows into the buttercream?).

Another question, is there a recommended temperature for broiling the marshmallows? As per your instructions above, just turn on the oven and put the marshmallows in..

THANKS A LOT! 🙂

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