Prepare yourself for the ultimate festive treat: irresistible whoopie pies! These aren’t just any ordinary cookies; they’re soft, cake-like chocolate shells embracing a fluffy, peppermint-infused buttercream. Imagine biting into a cloud of minty freshness, all wrapped in a tender chocolate hug.
Inspired by classic American whoopie pies but elevated with a festive twist, this recipe promises bakery-level results in your own kitchen. Plus, if you are looking for a great substitute for buttermilk, we’ve got you covered!
Get ready to embark on a baking adventure that’s as fun as it is rewarding. Let’s dive into the secrets of creating these delightful, shareable treats that will impress everyone.
Quick Overview: Making Your Festive Whoopie Pies
Want a fast track to those delightful whoopie pies? Here’s a quick rundown to get you started.
Key Facts at a Glance
Prep Time: 20 minutes; Cook Time: 8-9 minutes; Servings: 15 pies; Oven Temperature: 350 degrees F.
The Easiest Way to Delicious Whoopie Pies
- Mix cocoa, water, and espresso powder.
- Combine wet and dry ingredients for batter.
- Scoop batter onto baking sheets and bake.
- Cool completely, then whip peppermint buttercream.
- Fill, decorate, and serve your pies.
Ready for the full scoop? Keep reading for expert tips and detailed instructions.
Expert Tips for Perfect Whoopie Pies
Before you dive into making these delightful whoopie pies, let’s cover some essential tips. These insights will ensure your whoopie pies turn out perfectly every time, enhancing both their flavor and texture.
The Science of Softness: Why Buttermilk Matters
Buttermilk plays a crucial role in achieving the signature soft texture of whoopie pies. The acidity in buttermilk tenderizes the gluten in the flour, leading to a more delicate cake. It also reacts with the baking soda, providing extra lift and creating a light, airy crumb.
Pro-Tip: Don’t have buttermilk on hand? You can make a simple substitute for buttermilk by adding 1 teaspoon of lemon juice or white vinegar to a 1/4 cup measuring cup, then filling the rest with milk. Let it sit for a few minutes to curdle before using.
Peppermint Perfection: Mastering Flavor and Color
For that distinctive minty flavor, using peppermint extract is key. Other mint extracts simply won’t deliver the same refreshing punch. Stick with peppermint extract for the best results.
Achieving that vibrant green hue in the filling is best done with gel food coloring. Gel colors are more concentrated than liquid colors, meaning you can achieve a brighter color without adding excess liquid to your buttercream. Start with 1 to 2 drops of green food coloring and adjust until you reach your desired shade.
Storage and Freezing Guide: Keeping Your Whoopie Pies Fresh
Once assembled, your whoopie pies are best enjoyed fresh, but they can be stored. For short-term storage, keep them in an airtight container at room temperature for up to a day. For longer storage, refrigerate them for up to 4 days.
Want to freeze them? Place the whoopie pies on a baking sheet and freeze individually until solid. Then, wrap them tightly in plastic wrap or store them in an airtight container. They can be frozen for up to 1 month. Thaw in the refrigerator before serving to maintain their texture and flavor.
With these expert tips in mind, you’re well-equipped to create whoopie pies that are sure to impress. Next, we’ll get into gathering all the necessary ingredients to make these whoopie pies a success!
Gather Your Delicious Ingredients
Before you begin crafting these delightful whoopie pies, gather all of your ingredients. Having everything measured and ready will streamline the baking process and ensure a smooth experience.
Below, you’ll find the ingredients listed in two sections: one for the chocolate cake base and another for the peppermint buttercream filling.
For the Chocolate Cake:
- 2/3 cup (53 grams) Dutch-processed cocoa powder
- 1/2 cup (118 milliliters) very hot tap water
- 1 teaspoon espresso powder (optional)
- 1 cup packed (200 grams) light brown sugar
- 1/2 cup (118 milliliters) vegetable oil
- 2 teaspoons vanilla extract
- 1 large egg
- 1/4 cup (59 milliliters) buttermilk
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon kosher salt
- 1 1/2 cups (227 grams) all-purpose flour
For the Peppermint Buttercream Filling:
- 1/2 cup (113 grams) unsalted butter, at room temperature
- 1/2 teaspoon peppermint extract
- 1/4 teaspoon kosher salt
- 2 cups (240 grams) confectioners’ sugar
- 2 to 3 tablespoons heavy cream, at room temperature
- 1 to 2 drops green food coloring
- Green sparkling sugar for decorating
With all your ingredients prepped, you’re now set to embark on the journey of creating these irresistible treats. Next, we’ll dive into the step-by-step instructions.
Step-by-Step: Crafting Your Whoopie Pies
Ready to bring these delightful whoopie pies to life? Follow these detailed instructions, and you’ll be enjoying these festive treats in no time. Each step is designed to help you achieve whoopie pie perfection.
Prepare the Oven and Baking Sheets
First, preheat your oven to 350 degrees F. This ensures the whoopie pies bake evenly. Line two baking sheets with parchment paper to prevent sticking and make removal easy.
Mix the Chocolate Cake Batter
In a glass liquid measuring cup, whisk together 2/3 cup (53 grams) Dutch-processed cocoa powder, 1/2 cup (118 milliliters) very hot tap water, and 1 teaspoon espresso powder (if using). This “blooming” process intensifies the chocolate flavor.
In a large bowl, whisk together 1 cup packed (200 grams) light brown sugar, 1/2 cup (118 milliliters) vegetable oil, and 2 teaspoons vanilla extract for 30 seconds. Whisk in 1 large egg and then 1/4 cup (59 milliliters) buttermilk. Sprinkle in 1 teaspoon baking soda, 1/2 teaspoon baking powder, and 1/2 teaspoon kosher salt, whisking vigorously after each addition to ensure even distribution.
Fold half of the 1 1/2 cups (227 grams) all-purpose flour into the bowl, followed by the cocoa powder mixture, and then the other half of the flour. Fold just until the last streak of flour disappears; be careful not to overmix, which can result in tough whoopie pies.
Scoop and Bake the Whoopie Pies
Using a portion scoop or measuring spoons, scoop 1 1/2 tablespoons of batter onto the prepared baking sheets, placing 12 on each sheet. This ensures uniformity in size.
Bake for 8 to 9 minutes, rotating and swapping the placement of the sheets halfway through, until the pies are dry to the touch and bounce back when lightly pressed. Rotating ensures even baking.
Cool the Whoopie Pie Shells
Remove the baked shells from the oven and let them cool completely on the pans before filling. Cooling them on the pan helps prevent them from sticking or breaking.
Whip Up the Peppermint Buttercream
To make the buttercream, beat together 1/2 cup (113 grams) unsalted butter (at room temperature), 1/2 teaspoon peppermint extract, and 1/4 teaspoon kosher salt on medium-low speed in the bowl of a stand mixer fitted with the paddle attachment, until smooth.
Beat in 2 cups (240 grams) confectioners’ sugar, 1/2 cup (60 grams) at a time, alternating with splashes of the 2 to 3 tablespoons heavy cream (at room temperature), scraping the bowl with a flexible spatula as needed.
Add 1 to 2 drops green food coloring, a drop at a time, until you achieve the desired color, and beat for an additional 3 minutes on medium speed, until light and fluffy. This creates the signature festive look.
Assemble and Decorate Your Pies
Turn half of the pies upside down, top with about 1 1/2 tablespoons of filling, and cover with an upturned pie, pressing gently to spread the filling evenly.
Place the Green sparkling sugar in a shallow bowl and roll the edges of the filled pies in the sugar for a festive touch.
Serving and Storage
Serve immediately to enjoy them at their freshest. Alternatively, store in an airtight container at room temperature for up to a day, or in the fridge for up to 4 days.
With these steps mastered, you’re ready to explore some creative variations to truly make these whoopie pies your own.
Get Creative: Fun Variations to Try
Sweet Swaps for the Filling
The peppermint buttercream is divine, but why stop there? Consider a luscious cream cheese frosting for a tangy twist, and it’s wonderfully stable at room temperature. You could also swirl in a spoonful of your favorite jam or a dash of lemon zest for extra zing.
Decorating Delights
Green sparkling sugar sets a festive tone, but feel free to get even more creative. A shower of colorful sprinkles is always a hit. Or try crushed peppermint candies for an extra burst of mint, or even a drizzle of melted dark chocolate for a touch of elegance.
Ingredient Tweaks for Unique Flavors
Small adjustments can make a big difference. Increase the vanilla extract for a warmer flavor, or add a pinch more salt to enhance the sweetness. If you don’t have buttermilk on hand, try using plain yogurt as a tangy substitute.
With these variations, you can create a whole new batch of whoopie pie masterpieces. Next, let’s tackle some frequently asked questions to ensure your baking success.
What is the filling made of in whoopie pies?
The filling is typically a creamy frosting, and this recipe features a light and fluffy buttercream flavored with peppermint extract and colored green.
What do whoopie pies have in the middle?
Whoopie pies have a sweet, creamy filling sandwiched between two soft cake-like cookies, often a chocolate or gingerbread cake.
The Secret to a Perfect Pie Filling
Achieving a perfect pie filling involves using quality ingredients, proper ratios, and beating the frosting until it’s light and fluffy for the best texture and flavor.
Can You Freeze Mint Chocolate Whoopie Pies?
Yes, you can freeze baked whoopie pies for up to 1 month by wrapping them well or storing them in an airtight container after freezing them individually on a baking sheet.
Did You Make These Festive Whoopie Pies?
We’re so excited for you to try this recipe. Now, we want to hear from you.
Share Your Creations!
Did you bake a batch of these delightful whoopie pies? Let us know how they turned out! Rate the recipe, leave a comment below, and share your photos. Your experience helps other bakers and brightens our day!
Up next, find answers to all your burning questions in the FAQ section.
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Festive Whoopie Pies with Peppermint Buttercream
Equipment
- Baking sheets
- Parchment paper
- Glass liquid measuring cup
- Large bowl
- Stand Mixer with Paddle Attachment
- Flexible spatula
- Portion scoop
- Measuring spoons
- Shallow bowl
Ingredients
Chocolate Cake
- 2/3 cup Dutch-processed cocoa powder 53 grams
- 1/2 cup very hot tap water 118 milliliters
- 1 teaspoon espresso powder optional
- 1 cup packed light brown sugar 200 grams
- 1/2 cup vegetable oil 118 milliliters
- 2 teaspoons vanilla extract
- 1 large egg
- 1/4 cup buttermilk 59 milliliters
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon kosher salt
- 1 1/2 cups all-purpose flour 227 grams
Peppermint Buttercream Filling
- 1/2 cup unsalted butter at room temperature, 113 grams
- 1/2 teaspoon peppermint extract
- 1/4 teaspoon kosher salt
- 2 cups confectioners’ sugar 240 grams
- 2 to 3 tablespoons heavy cream at room temperature
- 1 to 2 drops green food coloring
- Green sparkling sugar for decorating
Instructions
Prepare the Oven and Baking Sheets
- First, preheat your oven to 350 degrees F. This ensures the whoopie pies bake evenly. Line two baking sheets with parchment paper to prevent sticking and make removal easy.
Mix the Chocolate Cake Batter
- In a glass liquid measuring cup, whisk together 2/3 cup (53 grams) Dutch-processed cocoa powder, 1/2 cup (118 milliliters) very hot tap water, and 1 teaspoon espresso powder (if using). This "blooming" process intensifies the chocolate flavor.
- In a large bowl, whisk together 1 cup packed (200 grams) light brown sugar, 1/2 cup (118 milliliters) vegetable oil, and 2 teaspoons vanilla extract for 30 seconds. Whisk in 1 large egg and then 1/4 cup (59 milliliters) buttermilk. Sprinkle in 1 teaspoon baking soda, 1/2 teaspoon baking powder, and 1/2 teaspoon kosher salt, whisking vigorously after each addition to ensure even distribution.
- Fold half of the 1 1/2 cups (227 grams) all-purpose flour into the bowl, followed by the cocoa powder mixture, and then the other half of the flour. Fold just until the last streak of flour disappears; be careful not to overmix, which can result in tough whoopie pies.
Scoop and Bake the Whoopie Pies
- Using a portion scoop or measuring spoons, scoop 1 1/2 tablespoons of batter onto the prepared baking sheets, placing 12 on each sheet. This ensures uniformity in size.
- Bake for 8 to 9 minutes, rotating and swapping the placement of the sheets halfway through, until the pies are dry to the touch and bounce back when lightly pressed. Rotating ensures even baking.
Cool the Whoopie Pie Shells
- Remove the baked shells from the oven and let them cool completely on the pans before filling. Cooling them on the pan helps prevent them from sticking or breaking.
Whip Up the Peppermint Buttercream
- To make the buttercream, beat together 1/2 cup (113 grams) unsalted butter (at room temperature), 1/2 teaspoon peppermint extract, and 1/4 teaspoon kosher salt on medium-low speed in the bowl of a stand mixer fitted with the paddle attachment, until smooth.
- Beat in 2 cups (240 grams) confectioners’ sugar, 1/2 cup (60 grams) at a time, alternating with splashes of the 2 to 3 tablespoons heavy cream (at room temperature), scraping the bowl with a flexible spatula as needed.
- Add 1 to 2 drops green food coloring, a drop at a time, until you achieve the desired color, and beat for an additional 3 minutes on medium speed, until light and fluffy. This creates the signature festive look.
Assemble and Decorate Your Pies
- Turn half of the pies upside down, top with about 1 1/2 tablespoons of filling, and cover with an upturned pie, pressing gently to spread the filling evenly.
- Place the Green sparkling sugar in a shallow bowl and roll the edges of the filled pies in the sugar for a festive touch.
Serving and Storage
- Serve immediately to enjoy them at their freshest. Alternatively, store in an airtight container at room temperature for up to a day, or in the fridge for up to 4 days.
Notes
Pro-Tip: Don't have buttermilk on hand? You can make a simple substitute for buttermilk by adding 1 teaspoon of lemon juice or white vinegar to a 1/4 cup measuring cup, then filling the rest with milk. Let it sit for a few minutes to curdle before using.
For that distinctive minty flavor, using peppermint extract is key. Other mint extracts simply won't deliver the same refreshing punch. Stick with peppermint extract for the best results.
Achieving that vibrant green hue in the filling is best done with gel food coloring. Gel colors are more concentrated than liquid colors, meaning you can achieve a brighter color without adding excess liquid to your buttercream. Start with 1 to 2 drops of green food coloring and adjust until you reach your desired shade.
Once assembled, your whoopie pies are best enjoyed fresh, but they can be stored. For short-term storage, keep them in an airtight container at room temperature for up to a day. For longer storage, refrigerate them for up to 4 days.
Want to freeze them? Place the whoopie pies on a baking sheet and freeze individually until solid. Then, wrap them tightly in plastic wrap or store them in an airtight container. They can be frozen for up to 1 month. Thaw in the refrigerator before serving to maintain their texture and flavor.