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Peanut Butter S'mores Cupcakes

Recipes

,

Cupcakes

Peanut Butter S’mores Cupcakes

prep 45 minutes mins
cook 20 minutes mins
Additional Time 1 hour hr

Peanut butter s’mores cupcakes with a perfect graham cracker crust, peanut butter cupcake, milk chocolate filling and homemade toasted marshmallow fluff!

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Peanut Butter S’mores Cupcakes

June 5, 2019
October 17, 2025

Peanut butter s’mores cupcakes with a perfect graham cracker crust, peanut butter cupcake, milk chocolate filling and homemade toasted marshmallow fluff!

S'mores Cupcakes with graham cracker crust, chocolate ganache & toasted meringue

Ok friends. It’s s’mores season, actually it’s always s’mores season for me, but it’s OFFICIALLY s’mores season. & what makes s’mores better than the original graham cracker, Hershey’s chocolate & toasted marshmallow?! I’ll tell you my friend, it’ a Reeses cup. The ultimate s’mores is made with a Reeses cup & so I have for you a peanut butter s’mores cupcakes recipe. Now I know some may disagree with me, that the original is better & normally I would agree because I’m an ‘original’ kind of person, I don’t like all the extra toppings on most things. BUTTTTT, it really doesn’t get much better than graham crackers, chocolate, peanut butter & toasted marshmallow ya’ll.

Also we need to talk about one more thing before we get to this recipe here. Someone please tell me why majority of the “s’mores” recipes out there like “s”mores cake” or “s’mores cupcakes” or “s’mores donuts”, etc. highlight the chocolate as the ‘hero’ of the dessert?! Don’t misinterpret this, I LOVE chocolate, but chocolate is NOT the hero of a s’more. If anything, it’s the toasted marshmallow but personally I think it’s the balance of the three flavors. Do you really want the chocolate just over powering everything else? I don’t think so. Like everyone overlooks the graham cracker but omg it’s like my fav part!! Ok rant over.

graham cracker crust & peanut butter cupcake batter
Peanut butter cupcakes filled with chocolate ganache

What Are Peanut Butter S’mores Cupcakes?

Layers. Beautiful aren’t they?!

  • Crust: a graham cracker crust to give it a nice grahamy flavor and some texture.
  • Cupcake: The cupcake is flavored with graham crackers and peanut butter. I wanted a nice balance here so none of the flavors are super strong in the cupcake.
  • Filling: I used real Hershey’s chocolate to get that authentic s’mores flavor.
  • Topping: there just aren’t many things better in life than toasted homemade fluff lol it’s easy to make and holds up so much better than store bough fluff.

OMG & I ALMOST FORGOT!!! I also lit my countertop oven on fire with these cupcakes -__- LOL So I toasted the meringue in there for a few minutes & it was perf but then I ran out of meringue for the last two cupcakes (don’t worry, recipe is adjusted) so I topped the last few with large marshmallows & tried to toast those guys. Well… the marshmallows may have grown a wee bit too tall & touched the top of the oven & lit on fire. All is ok, toaster oven is fine & the cupcakes were still edible LOL.

Peanut Butter S'mores Cupcakes

How to store cupcakes

Mmmm, meringue is iffy. Generally I like to keep cupcakes with buttercream at room temperature for 2-3 days but because this has a meringue topping, you’ll need to keep it chilled. Place the cupcakes in an airtight container and refrigerate them for up to a week.

You can also freeze them but the meringue can break once they defrost again so I don’t recommend it. Alternatively you can freeze the cupcakes and just make a fresh meringue when defrosting and serving. If you’re just freezing the cupcakes, wrap them in plastic wrap individually and place them in a ziplock bag, squeezing out all the excess air.

Ok now go make these incredible peanut butter s’mores cupcakes & DON’T LIGHT YOUR OVEN ON FIRE!! Use a blow torch if you have one… & then buy me one too, lol. If you make them, make sure to tag me @baranbakery on instagram, I want to seeeee tooooo! As always,

Love, B

Peanut Butter S'mores Cupcakes
Recipes
Cupcakes

Peanut Butter S’mores Cupcakes Recipe

prep 45 minutes mins
cook 20 minutes mins
Additional Time 1 hour hr
total 2 hours hrs 5 minutes mins
Serves 18 cupcakes
Peanut butter cupcake with a graham cracker crust, filled with chocolate ganache, and topped with swiss meringue! The perfect alternative to traditional s'mores!
Author: Bernice Baran
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Servings 18 cupcakes
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Equipment

  • Muffin Pan 
  • Thermometer

Ingredients

Graham Cracker Crust

  • 42 grams salted butter, softened
  • 125 grams graham crackers, crushed

Peanut Butter Cupcakes

  • 180 grams cake flour, spooned and leveled
  • 50 grams graham crackers, powdered
  • 100 grams granulated sugar
  • 100 grams light brown sugar, lightly packed
  • 2 1/2 tsp baking powder
  • 1/4 tsp salt
  • 113 grams salted butter, softened
  • 64 grams peanut butter
  • 80 mL milk
  • 56 grams sour cream
  • 1 tsp vanilla
  • 1 large egg, room temperature
  • 2 large egg whites, room temperature

Chocolate Ganache

  • 12 oz Hershey’s Candy Bars
  • 120 mL heavy cream

Meringue

  • 4 large egg whites, room temperature
  • 200 grams granulated sugar
  • 2 tsp vanilla

Method

Crust

  1. Begin by preheating the oven to 350F/177C.
  2. Combine the butter and crushed graham crackers. Distribute evenly among 18 cupcake liners and press them down firmly. Set aside.
    42 grams salted butter softened, 125 grams graham crackers crushed

Cupcakes

  1. Combine the cake flour, powdered graham crackers, granulated sugar, brown sugar, baking powder and salt in the bowl of a stand mixer. With the mixer on low speed, add in the chunks of butter and peanut butter until the mixture becomes crumbly.
    180 grams cake flour spooned and leveled, 50 grams graham crackers powdered, 100 grams granulated sugar, 100 grams light brown sugar lightly packed, 2 1/2 tsp baking powder, 1/4 tsp salt, 113 grams salted butter softened, 64 grams peanut butter
  2. In a separate bowl, combine the milk, sour cream and vanilla. While mixing on medium speed, pour about 3/4 of the milk mixture in the cupcake batter. Beat for 1 minute.
    80 mL milk, 56 grams sour cream, 1 tsp vanilla
  3. Mix the eggs in the left over milk mixture and pour half of it into the batter. Beat for another minute. Add in the rest of the milk and egg mixture and beat until they are fully combined and smooth.
    1 large egg room temperature, 2 large egg whites room temperature
  4. Fill the cupcake tins about 3/4 full and bake for 20 minutes. Remove from the oven and allow them to cool for a few minutes. Then remove them from the pan and allow them to cool completely before frosting.

Chocolate Ganache Filling

  1. Break the Hershey's bars into small chunks and place in a heat proof bowl.
    12 oz Hershey’s Candy Bars
  2. Heat the cream in a sauce pan just until it simmers, and remove before boiling. Pour over the chocolate bar and stir until smooth. Set it aside and allow it to cool.
    120 mL heavy cream
  3. Meanwhile, remove a chunk from the middle of each cupcake. I used the back end of a large piping tip to do this or you can use a knife to cut it out.
  4. Once the chocolate is cool enough to the touch but still thin enough to drizzle, fill the holes with chocolate, and top with the chunk of cupcake you removed. *see photos*

Meringue

  1. Heat up a small pot of water on the stove to create a double boiler for the Swiss meringue. Whisk the egg whites and sugar in the bowl of the stand mixer over the double boiler until about 140F (60C) or until the sugar is fully dissolved and the egg whites are frothy.
    4 large egg whites room temperature, 200 grams granulated sugar
  2. Remove from the heat and use the whisk attachment to beat the egg whites and sugar until stiff peaks form. Add the vanilla and beat until it is fully incorporated.
    2 tsp vanilla
  3. Use immediately to frost the cupcakes. Use either a blow torch to brown the meringue or place the cupcakes in the oven on broil for a few minutes (watching intensely so they don't burn).
  4. Let them set in the fridge for at least an hour before serving.

Nutrition

Serving: 1gCalories: 342kcalCarbohydrates: 46gProtein: 5gFat: 16gSaturated Fat: 8gPolyunsaturated Fat: 6gCholesterol: 41mgSodium: 202mgFiber: 1gSugar: 30g
Course: Cakes
Cuisine: American
Keyword: chocolate ganache, graham cracker crust, peanut butter cupcakes, s’mores cupcakes, swiss meringue, swiss meringue cupcakes

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