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Toasted Marshmallow Buttercream Frosting

Toasted Marshmallow Buttercream Frosting is made with toasted marshmallows mixed right into the buttercream. The toasted marshmallows give this frosting recipe delicious flavor and a marshmallow-like texture! Perfect for cake filling or cupcake frosting!

Easy Marshmallow Buttercream Frosting Recipe

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 buttercream frosting recipe, 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

How to Make Toasted Marshmallow Buttercream Frosting:

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!

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Toasted Marshmallow Buttercream Frosting

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.9 from 7 reviews
  • Author: Cookies & Cups
  • Prep Time: 9 min
  • Cook Time: 1 min
  • Total Time: 10 min
  • Yield: frosts 12 cupcakes 1x
  • Category: Dessert
  • Method: Oven
  • Cuisine: American

Description

Toasted Marshmallow Buttercream Frosting is made with toasted marshmallows mixed right into the buttercream. The toasted marshmallows give this frosting recipe delicious flavor and a marshmallow-like texture! Perfect for cake filling or cupcake frosting!


Ingredients

Scale
  • 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.

Nutrition

  • Serving Size: 1 cupcake
  • Calories: 273
  • Sugar: 46.3 g
  • Sodium: 167.4 mg
  • Fat: 7.5 g
  • Trans Fat:
  • Carbohydrates: 52.8 g
  • Protein: 0.7 g
  • Cholesterol: 0.1 mg

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59 comments on “Toasted Marshmallow Buttercream Frosting”

  1. Melissa @ Treats With a Twist

    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

  2. Georgia @ The Comfort of Cooking

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

  3. Erin | The Law Studen'ts Wife

    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.

  4. Betsy | JavaCupcake.com

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

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