Gluten-Free S’mores Cupcakes with Marshmallow Buttercream

by Judy Goudy

Some of my favorite memories are camping trips with my family.

The laughter around the fire, the smoky-sweet aroma of toasted marshmallows—it’s pure magic. But as someone who avoids gluten, s’mores became more of a tease than a treat.

That’s when I got to work recreating the joy of those nights in cupcake form. These Gluten-Free S’mores Cupcakes bring back all that campfire goodness with none of the mess (and all of the flavor).

Tips and Variations

  • Dairy-Free Swap: Use plant-based butter and milk. Coconut cream also works great in the buttercream.
  • Add a Chocolate Surprise: Drop a square of dark chocolate into the center of the batter before baking for a gooey middle.
  • Mini Cupcakes: Make these bite-sized by using a mini muffin tin. Adjust bake time to 10–12 minutes.

Serving Suggestions

Place the cupcakes on a rustic wood board or slate tray, scatter some extra graham cracker crumbs around, and add a few toasted marshmallows for decoration. These cupcakes are perfect for summer BBQs, camping-themed parties, or a nostalgic treat at home.

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Gluten-Free S’mores Cupcakes with Marshmallow Buttercream


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  • Author: Judy Goudy
  • Total Time: 40 minutes
  • Yield: 12 cupcakes 1x
  • Diet: Gluten Free

Description

A campfire classic transformed into indulgent cupcakes with a graham cracker crust, rich chocolate cake, and fluffy marshmallow buttercream.


Ingredients

Scale

Cupcakes:

  • 1 cup gluten-free all-purpose flour (I like Bob’s Red Mill 1-to-1 Baking Flour)
  • 1/3 cup almond flour
  • 1/2 cup granulated sugar
  • 1/4 cup packed brown sugar
  • 1/3 cup unsweetened cocoa powder
  • 1 tsp baking powder
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • 1/2 cup whole milk (or almond milk for dairy-free)
  • 1/3 cup vegetable oil
  • 2 large eggs
  • 1 tsp pure vanilla extract

Graham Cracker Base:

  • 3/4 cup gluten-free graham cracker crumbs (use store-bought or crush your own)
  • 2 tbsp melted butter (or coconut oil for dairy-free)
  • 1 tbsp granulated sugar

Marshmallow Buttercream:

  • 1 cup (2 sticks) unsalted butter, softened
  • 1 1/2 cups powdered sugar
  • 1 tsp vanilla extract
  • 1 7-oz jar marshmallow fluff

Optional Toppings:

  • Gluten-free mini marshmallows
  • Chocolate drizzle
  • Graham cracker crumbs

Instructions

Graham Cracker Base:

  1. Preheat your oven to 350°F and line a 12-cup muffin tin with cupcake liners.
  2. In a small bowl, mix the graham cracker crumbs, melted butter, and sugar until combined.
  3. Press about 1 tablespoon of the mixture into the bottom of each liner. Bake for 5 minutes, then let it cool while you prepare the cupcake batter.

Cupcakes:

  1. In a large bowl, whisk together the gluten-free flour, almond flour, sugars, cocoa powder, baking powder, baking soda, and salt.
  2. In another bowl, whisk the milk, oil, eggs, and vanilla until smooth.
  3. Gradually add the wet ingredients to the dry, mixing until just combined. Don’t overmix—it’ll keep the cupcakes light and fluffy!
  4. Divide the batter evenly over the graham cracker bases. Bake for 18–20 minutes, or until a toothpick inserted in the center comes out clean.
  5. Cool the cupcakes completely before frosting.

Marshmallow Buttercream:

  1. Beat the butter with a mixer on medium speed until creamy.
  2. Add the powdered sugar, a little at a time, and beat until fluffy.
  3. Mix in the vanilla and marshmallow fluff until smooth. If it’s too thick, add a splash of milk.

Assembly:

  1. Pipe or spread the marshmallow buttercream generously over each cupcake.
  2. Top with a sprinkle of graham cracker crumbs, a drizzle of chocolate, and a toasted mini marshmallow for that campfire vibe.

Notes

Keep leftover cupcakes in an airtight container at room temperature for up to 2 days or refrigerated for 5 days.

  • Prep Time: 20 minutes
  • Cook Time: 20 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cupcake
  • Calories: 280
  • Sugar: 24g
  • Sodium: 160mg
  • Fat: 12g
  • Saturated Fat: 7g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 36g
  • Fiber: 2g
  • Protein: 3g
  • Cholesterol: 35mg

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