Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

Posted on January 6, 2026 | By : Rihanna Recipes

Delicious dark chocolate cupcakes with peanut butter marshmallow fluff topping.

Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff are a delightful treat that anyone can enjoy. These cupcakes combine the rich flavors of dark chocolate with the sweet, creamy goodness of peanut butter marshmallow fluff. They’re perfect for birthdays, parties, or any get-together where you want to impress your guests. The combination of chocolate and peanut butter is irresistible, making these cupcakes a favorite for both kids and adults alike.

Why make this recipe

This recipe is not only easy to follow, but it also creates delicious cupcakes that are way better than store-bought ones. You can whip these up in no time, making them perfect for busy weeknights or last-minute gatherings. It’s a family-friendly treat, so everyone can join in on the fun of baking. Plus, the ingredients are budget-friendly, allowing you to enjoy a delightful dessert without breaking the bank.

What makes Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff special

The unique taste of these cupcakes stands out because of the combination of dark chocolate and peanut butter marshmallow fluff. Each bite offers a rich chocolate flavor paired with a fluffy, creamy center, creating a wonderful texture contrast. Unlike many other chocolate cupcake recipes, these have a fun surprise in the middle. This recipe is a loving nod to homemade treats, making it a treasured addition to any dessert table.

Is Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff healthy

While these cupcakes are definitely a treat, they provide a balance of ingredients that are more wholesome than many packaged desserts. By using natural ingredients such as flour, cocoa powder, and peanut butter, you know what goes into your food. Enjoying these cupcakes in moderation can be part of a balanced diet. Just remember that indulgence is key!

How to make Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

Making these cupcakes is a straightforward process that involves mixing dry and wet ingredients, filling cupcake liners, and baking. It’s a beginner-friendly recipe that doesn’t require any special equipment. The whole process is enjoyable and stress-free, taking about 30 minutes from start to finish, plus baking time.

Ingredients

  • 1 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 cup sugar
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, melted
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/2 cup buttermilk
  • 1 cup peanut butter marshmallow fluff
  • 1/2 cup creamy peanut butter
  • 2 cups powdered sugar
  • 1/4 cup milk

Directions

  1. Preheat your oven to 350°F (175°C) and line a cupcake pan with liners.
  2. In a bowl, mix together the flour, cocoa powder, sugar, baking soda, baking powder, and salt.
  3. In another bowl, combine melted butter, eggs, vanilla extract, and buttermilk. Mix well.
  4. Gradually add the wet ingredients to the dry ingredients and mix until well combined.
  5. Fill each cupcake liner halfway with batter. Add a spoonful of peanut butter marshmallow fluff in the center of each cupcake, then cover with more batter.
  6. Bake for 18-20 minutes, or until a toothpick comes out clean. Allow to cool completely.
  7. For the frosting, beat together creamy peanut butter and powdered sugar, adding milk until you reach the desired consistency.
  8. Frost each cooled cupcake with peanut butter frosting and enjoy!

How to serve Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

These cupcakes are great anytime, whether you’re enjoying them for breakfast, dessert, or a snack. They can be served on a special plate with a glass of milk or coffee. For a fun presentation, consider garnishing with extra peanut butter or chocolate shavings. These cupcakes also make delightful additions to picnic baskets or lunchboxes.

 

Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

Best occasions to make Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

These sweet treats are perfect for various occasions. You can whip them up for family gatherings, birthday parties, or bake sales. They also make a great dessert for holiday celebrations. Even if you just need a quick snack on a busy day, these cupcakes will satisfy your sweet tooth and brighten your mood.

How to store Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

To keep your cupcakes fresh, store them in an airtight container at room temperature for up to three days. If you want to enjoy them longer, you can refrigerate them for about a week. For longer storage, freeze the un-frosted cupcakes for up to three months. Just make sure to let them cool completely before wrapping them tightly.

Can you make Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff ahead of time

Absolutely! You can prepare the cupcake batter ahead of time and store it in the refrigerator for up to a day. Bake them fresh on the day you plan to serve them for the best flavor and texture. If you have leftovers, you can frost them just before serving, keeping them fresh and delicious.

Tips to make Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff

To ensure your cupcakes turn out perfectly:

  • Make sure your ingredients are at room temperature for better mixing.
  • Don’t overmix the batter; mix just until combined for fluffier cupcakes.
  • Use a cookie scoop for even distribution of batter into the liners.
  • Always check for doneness with a toothpick to avoid overbaking.
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dark chocolate cupcakes with peanut butter marshma 2026 01 06 184901 1

Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff


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  • Author: rihannarecipes
  • Total Time: 35 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

Delightful dark chocolate cupcakes filled with creamy peanut butter marshmallow fluff, perfect for any occasion.


Ingredients

Scale
  • 1 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 cup sugar
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, melted
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/2 cup buttermilk
  • 1 cup peanut butter marshmallow fluff
  • 1/2 cup creamy peanut butter
  • 2 cups powdered sugar
  • 1/4 cup milk

Instructions

  1. Preheat your oven to 350°F (175°C) and line a cupcake pan with liners.
  2. In a bowl, mix together the flour, cocoa powder, sugar, baking soda, baking powder, and salt.
  3. In another bowl, combine melted butter, eggs, vanilla extract, and buttermilk. Mix well.
  4. Gradually add the wet ingredients to the dry ingredients and mix until well combined.
  5. Fill each cupcake liner halfway with batter. Add a spoonful of peanut butter marshmallow fluff in the center of each cupcake, then cover with more batter.
  6. Bake for 18-20 minutes, or until a toothpick comes out clean. Allow to cool completely.
  7. For the frosting, beat together creamy peanut butter and powdered sugar, adding milk until you reach the desired consistency.
  8. Frost each cooled cupcake with peanut butter frosting and enjoy!

Notes

Make sure your ingredients are at room temperature for better mixing. Don’t overmix the batter; mix just until combined for fluffier cupcakes.

  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cupcake
  • Calories: 350
  • Sugar: 28g
  • Sodium: 200mg
  • Fat: 15g
  • Saturated Fat: 6g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 50g
  • Fiber: 3g
  • Protein: 6g
  • Cholesterol: 50mg

Variation

Feel free to get creative with this recipe! You can use different nut butters, like almond butter, if you want a change in flavor. For a more decadent option, add chocolate chips to the batter. You could also try swapping buttermilk for yogurt for a tangy twist. Exploring these variations will keep your cupcake creations exciting!

FAQs

Can I store Dark Chocolate Cupcakes with Peanut Butter Marshmallow Fluff?

Yes, you can store them at room temperature in an airtight container for up to three days.

Can I use a different type of chocolate?

Certainly! You can use semi-sweet or milk chocolate cocoa powder if you prefer a sweeter taste.

What if I don’t have buttermilk?

You can make a buttermilk substitute by mixing 1/2 cup of milk with 1/2 tablespoon of vinegar or lemon juice. Let it sit for a few minutes before using it in the recipe.

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