Marshmallow buttercream frosting

Brownie Sandwich Cookies with Peanut Butter Frosting are the ultimate indulgence for dessert lovers. Combining the rich, fudgy goodness of brownies with a creamy, nutty peanut butter frosting, these sandwich cookies offer a delightful balance of textures and flavors. Perfect for any occasion, these treats are sure to satisfy your sweet tooth and impress your guests with their decadence.


**Step 4: Serve and Enjoy**

1. **Presentation:**
– Arrange the brownie sandwich cookies on a serving platter or store them in an airtight container.


2. **Enjoy:**
– Serve the cookies at room temperature for the best texture and flavor. Enjoy the rich, chocolatey brownie cookies paired with the creamy, nutty peanut butter frosting.


**Flavor Profile:**

– The brownie cookies offer a rich, fudgy, and slightly chewy texture with an intense chocolate flavor. The peanut butter frosting provides a creamy, smooth, and slightly salty contrast, enhancing the overall taste experience. Together, they create a perfect harmony of chocolate and peanut butter.


**Nutritional Benefits:**

– While these treats are indulgent, they offer the satisfaction of combining two classic flavors. Chocolate provides antioxidants, and peanut butter adds protein and healthy fats.



Brownie Sandwich Cookies with Peanut Butter Frosting are a delightful and decadent treat that combines the best of both worlds: rich, fudgy brownie cookies and creamy, nutty frosting. Perfect for any special occasion or simply to satisfy a sweet craving, these sandwich cookies are sure to be a hit. Enjoy the luxurious blend of chocolate and peanut butter in every bite, and watch them disappear quickly at any gathering.



1 cup (2 sticks) unsalted butter, softened to room temperature
3-4 cups powdered sugar
1/2 cup marshmallow fluff (or 7 oz jar of store-bought marshmallow creme)
¼ teaspoon salt
½ tablespoon vanilla extract (optional)

Cream the Butter: In a large mixing bowl using a hand mixer or stand mixer fitted with the paddle attachment, cream the softened butter on medium speed for about 2 minutes until light and fluffy.

Add Powdered Sugar Gradually: Begin adding the powdered sugar one cup at a time on low speed, mixing until just incorporated. Once all the sugar is added, increase the speed to medium and beat for another 2-3 minutes until smooth and creamy.

Marshmallow Fluff and Vanilla: Scrape down the sides and bottom of the bowl with a rubber spatula. Add the marshmallow fluff and vanilla extract (if using) and beat on medium speed until fully combined, for about 30 seconds to 1 minute.

Adjust Consistency: If the frosting seems too thick, add 1 tablespoon of milk or heavy cream at a time and beat until it reaches your desired spreading or piping consistency. Conversely, if the frosting is too thin, add more powdered sugar, ¼ cup at a time, until it reaches the desired thickness.

Frosting Perfection! Your marshmallow buttercream frosting is now ready to use! Frost your favorite cakes, cupcakes, or cookies and enjoy the delightful flavor and texture

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