S’mores Cupcakes with Toasted Marshmallow Buttercream

Chocolate cupcakes with a graham cracker crust and piled high with toasted marshmallow buttercream. S’mores cupcakes are a perfect bite of summer!

S'mores cupcakes with graham cracker crust, chocolate cupcakes and toasted marshmallow buttercream on top.

One of summer’s greatest pleasures is a perfect s’more. However campfires aren’t always available so now you can enjoy those flavors in cupcake form complete with fluffy toasted marshmallow buttercream.

I cannot even tell you how much I love this frosting!

This food blogging gig is rough sometimes. Two weeks ago I had to make some ice cream. I mean it’s a terrible burden to have to taste test orange creamsicle cheesecake ice cream night after night until it’s gone.

Ok. It’s definitely not! It’s so much delicious fun!

The instant I saw toasted marshmallow syrup at the store, I knew it had to be mine. I could feel it in my sweet tooth! 😉

Cupcake ideas! With loads of fluffy frosting.  I can’t help myself.

To keep in line with the traditional s’more flavors, these cupcakes start with a graham cracker base. Now I will be honest, that part definitely makes these a bit messy to eat, but it’s worth every crumb! Just eat them outside or with a plate and fork. 

Whatever you do, don’t let the possibility of a few graham cracker crumbs deter you from making these beauties. It wouldn’t be fair to you or your guests!

On the graham crust goes yummy chocolate cupcakes. We love the devilishly good chocolate cake so much, that is what I normally use for cupcakes too.

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However if a chocolate cake mix is more your style, use your favorite. It will work perfectly! 

After your cupcakes are baked and cooled, it’s time to move to the star of the show… toasted marshmallow buttercream! Just typing it makes my mouth water. 

I wanted super fluffy frosting with loads of toasted marshmallow flavor to mimic a gooey marshmallow hot off the fire and that’s exactly what I got. If you want a stiffer frosting, just add some more powdered sugar. 

Also, if you are serving these in the heat, you can sub in some shortening for the butter to help it hold up. Do whatever makes you happy, just do yourself a favor and make them ASAP!

I made a nice pile of frosting because I didn’t want to run short. This was plenty to pipe a nice pile on each cupcake and left some to be served as graham cracker sandwiches which were also AMAZING! Ugh, you guys… this frosting 😍

I included a scaled down version if you aren’t as big of a frosting fanatic as I am. I am starting to think I should get the obsession checked out. 😉

Decorating these babies was simple. I just used a large round tip to pipe on some frosting.

bunch of s'mores cupcakes with graham cracker crusts, chocolate cupcakes and toasted marshmallow frosting ready to eat.

Then a bit of milk chocolate bar and a sprinkle of graham cracker crumbs and they were all dressed up. They were so quick to do and turned out really cute. It was unmistakable what they were mimicking. 

Now if you are in a hurry to make these and don’t have any toasted marshmallow syrup yet, you could sub in marshmallow buttercream. However it will be missing the warm toasty notes.

s'mores cupcake sitting on top of graham cracker sandwich with toasted marshmallow buttercream in the middle.
4.86 from 7 ratings

S’mores Cupcakes with Toasted Marshmallow Buttercream

Author: Carlee
Servings: 24 Servings
Chocolate cupcakes with a graham cracker crust and piled high with toasted marshmallow buttercream. S’mores cupcakes are a perfect bite of summer!
Prep: 20 minutes
Cook: 25 minutes
Total: 45 minutes

Ingredients 

Graham Cracker Crust

  • cup graham cracker crumbs
  • 2 Tablespoon granulated sugar
  • 5 Tablespoons butter

Cupcakes

Toasted Marshmallow Buttercream

  • cups butter
  • cups powdered sugar
  • 1 pinch salt
  • 3 Tablespoons toasted marshmallow syrup
  • Optional garnishes: chocolate pieces and additional graham cracker crumbs

Instructions 

Graham Cracker Crusts

  • Preheat oven to 350°F.
  • Melt 5 Tablespoons butter. Stir in 2 Tablespoon granulated sugar and 1¼ cup graham cracker crumbs.
  • Place cupcake liners in cupcake tins. Spoon a slightly rounded Tablespoon of graham cracker mix into each liner. Press firmly with your fingers or the back of a spoon.
  • Bake for 5 minutes. Set aside to cool slightly.

Cupcakes

  • Mix up your favorite chocolate cake recipe, a chocolate cake mix will work fine. Scoop the cake batter on top of the cooled graham cracker crusts.
  • Bake according to recipe directions and then remove to a wire rack to cool completely.

Toasted Marshmallow Buttercream

  • Beat 1½ cups butter until light and fluffy.
  • Slowly add 4½ cups powdered sugar, beating in a bit at a time until it has all been added and whipped. Sprinkle in 1 pinch salt.
  • Add 3 Tablespoons toasted marshmallow syrup a Tablespoon at a time, beating well between additions, until you get the consistency you’d like.
  • Continue to mix on medium speed for about 5 minutes to get nice fluffy frosting.
  • Pipe or spread frosting over cupcakes.
  • Garnish with a piece of chocolate and a sprinkle of graham cracker crumbs if desired.

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Nutrition Information

Serving: 1Serving | Calories: 275kcal | Carbohydrates: 33g | Protein: 1g | Fat: 16g | Saturated Fat: 9g | Polyunsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 39mg | Sodium: 172mg | Sugar: 28g
“Cooking With Carlee” is not a dietitian or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

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4.86 from 7 votes (6 ratings without comment)

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33 Comments

  1. My granddaughter was looking over my shoulder as I was going through facebook. She said, "wait, grandma go back to those scrumptious cupcakes"! They really do look good.

    1. Ha! That made my day, thank you!

  2. Anonymous says:

    These cupcakes are a summer dessert dream! I didn't even know toasted marshmallow syrup existed. Genius!!

    1. You have to get your hands on some, just imagine the possibilities!

  3. Hi Carlee, what an amazing ranger of flavoured syrups! The possibilities are endless… Okay, you now officially need help. A frosting sandwich? That is hardcore, you may even be beyond help!… The cupcakes look the business though.

    xx

    1. I should probably seek help, but I'm not ready to quit yet! 😉

  4. Kelsie | the itsy-bitsy kitchen says:

    Oh my GOSH! When I worked at a coffee shop, we used Torani syrups exclusively and my favorite drink to make was a toasted marshmallow mocha because they smelled SO GOOD. I can only imagine how good it would be in frosting!

    1. It does smell amazing, doesn't it! You should definitely give it a go!

  5. Family Around the Table says:

    I would make this cupcake recipe! They would be a sure fire hit in my house.

    1. Yay! I hope you win so you can!

  6. Webstermad says:

    I would make iced tea! For my aunty in Seattle <3

    1. You could make so many fun flavors!

  7. Andrea Nine says:

    S'mores, S'Mores. I want S'Mores…cupcakes!! MMMMM with your buttercream, you cannot go wrong, such gorgeous cupcake too! xo

  8. Frugal Hausfrau says:

    I make these but with a Swiss Meringue. I'm so loving your buttercream, though so I will do that next time! Carlee you are truly the queen of frostings!!!

    1. Swiss meringue would be good too, but this toasted marshmallow buttercream is definitely a current favorite. (and thanks!)

  9. Carlee: you and Torani are a dangerously delicious combination! I’m not sure I would be quite so creative if I was gifted a year’s supply but it would be fun to try!

    1. I am sure you could come up with some great stuff!

  10. My daughter us baking a lot and this looks delish! She'd love to play around with those Syrup flavors! Yum!

    1. Good then she can share some of her ideas if she wins! Good luck!