
Indulge in the Irresistible: Homemade Mint Oreo Buttercream Frosting
There’s something truly magical about the combination of cool, refreshing mint and rich, decadent chocolate. It’s a flavor pairing that has captured hearts and taste buds for generations, epitomized by classics like Mint Chocolate Chip ice cream and, of course, the ever-popular Mint Oreo cookies. If you’ve ever savored the delightful crunch of a Mint Oreo and wished you could bottle that vibrant flavor into a luscious frosting, your culinary dreams are about to come true. We’re thrilled to share our meticulously crafted recipe for **Mint Oreo Buttercream Frosting** – a creamy, dreamy confection infused with refreshing mint essence and generously studded with crunchy Oreo cookie pieces. This isn’t just frosting; it’s an experience, transforming ordinary baked goods into extraordinary desserts.
Inspired by the genius of Nabisco’s iconic Mint Oreos, we embarked on a delicious mission in our test kitchen. Our goal was to create a homemade buttercream that perfectly balances the crisp coolness of mint with the unmistakable chocolatey goodness of America’s favorite cookie. Drawing upon the success of our beloved Mint Buttercream Frosting and our indulgent Oreo Buttercream Frosting, we experimented to find the ideal fusion. The result? A truly delightful, smooth, and incredibly flavorful frosting that disappeared almost as quickly as we made it! While our family certainly enjoyed every last lick, we’re excited to pass this perfected recipe on to you, so you can bring this minty, chocolatey bliss to your own kitchen.
Whether you’re decorating cupcakes, layering a birthday cake, or simply looking for an unforgettable topping for brownies, this Mint Oreo Buttercream Frosting is guaranteed to elevate your baking. It’s surprisingly simple to make, requiring just a handful of common ingredients and a bit of enthusiastic mixing. Get ready to impress your friends and family with a homemade treat that tastes like it came straight from a gourmet bakery, but with all the love and satisfaction of a DIY creation. Let’s dive into the steps to create this delectable frosting.
Essential Ingredients for Your Mint Oreo Masterpiece
Crafting the perfect Mint Oreo Buttercream Frosting begins with selecting high-quality ingredients. Each component plays a vital role in achieving that sought-after creamy texture and balanced flavor. Here’s what you’ll need to gather before you start mixing:
- 1 pound (or 4 cups) of Powdered Sugar: Also known as confectioners’ sugar, this finely milled sugar is crucial for a smooth, non-grainy frosting.
- 1 cup (2 sticks) of Softened Butter: We highly recommend using salted sweet cream butter for a subtle depth of flavor that complements both the mint and chocolate. Ensure it’s properly softened to room temperature for optimal creaming.
- 1 Tablespoon Milk: Whole milk works best for richness, but any milk will do. This helps adjust the consistency to your preference.
- 1/2 teaspoon Peppermint Extract: The star of our mint flavor. Start with half a teaspoon and adjust to taste, as extracts can vary in strength.
- 1/2 cup Oreo Cookie Pieces: The chocolatey crunch that defines this frosting. We’ll discuss preparation in detail below, including removing the filling for the best results.
- Wilton Color Right Food Coloring (Yellow and Blue): To achieve that iconic, inviting mint green hue.
Equipment You’ll Need:
Having the right tools makes the frosting process smoother and more enjoyable. Here’s a quick list of the equipment that will assist you:
- Electric Mixer: A stand mixer with a paddle attachment or a handheld electric beater is essential for achieving a light and fluffy buttercream.
- Large Mixing Bowl: To contain all your delicious ingredients.
- Rubber Spatula: For scraping down the sides of the bowl, ensuring everything is thoroughly incorporated.
- Measuring Cups and Spoons: For precise ingredient measurements.
- Fine-Mesh Sieve (Optional but Recommended): For sifting powdered sugar and removing fine cookie dust from your crushed Oreos.
- Decorating Bags and Wilton 2D Decorating Tip (Optional): If you plan on piping your frosting for a professional look.
- Food Scale (Optional): For accurate measurement of powdered sugar.
Step-by-Step Guide to Making Mint Oreo Buttercream Frosting
Step 1: Preparing Your Powdered Sugar

The foundation of any great buttercream is powdered sugar. Begin by measuring out exactly 1 pound (approximately 4 cups) of powdered sugar into your large mixing bowl. While measuring by volume (cups) is common, using a food scale to measure by weight (1 pound) provides the most accurate results for consistent frosting every time. Powdered sugar can sometimes contain small lumps due to moisture, which can lead to a grainy frosting. To combat this, you have two options:
- Sifting: For the smoothest possible buttercream, sift the powdered sugar through a fine-mesh sieve into your mixing bowl. This breaks up any clumps and aerates the sugar, resulting in an exceptionally silky texture.
- Low-Speed Mixing: If you prefer not to sift, you can use your electric mixer on the lowest setting for about 30 seconds. This will effectively break up most large lumps, ensuring a smoother final product without the extra step of sifting.
Whichever method you choose, this initial step is crucial for achieving the silky-smooth texture that makes buttercream so irresistible and enjoyable to eat.
Step 2: Incorporating Softened Butter

Next, add 1 cup (which is two sticks) of softened butter to the mixing bowl alongside the powdered sugar. The “softened” part is key here. Butter should be at room temperature, soft enough to easily dent with your finger but not melted or greasy. If your butter is too cold, it won’t cream properly, resulting in a lumpy, dense frosting that’s difficult to work with. If it’s too warm, the frosting can become greasy and unstable, potentially separating. Plan ahead and take your butter out of the refrigerator at least an hour or two before you start baking to ensure it reaches the perfect consistency.
Step 3: The Art of Mixing Buttercream to Perfection

With both the powdered sugar and butter in the bowl, it’s time to mix. Start your electric mixer (or stand mixer with the paddle attachment) on the lowest possible setting. This is a critical step to prevent a cloud of powdered sugar from enveloping your kitchen and creating a messy cleanup! We recommend wrapping a clean dishtowel around the top of your mixer or mixing bowl during this initial phase. This acts as a shield, keeping the fine sugar particles contained within the bowl.
Continue mixing on low until the butter and powdered sugar are just incorporated and no dry sugar remains. You’ll notice the mixture start to come together, forming a crumbly paste. Once fully combined, gradually increase your mixer speed to medium-high. Beat the frosting for several minutes, typically 3-5 minutes, scraping down the sides and bottom of the bowl frequently with a rubber spatula. This ensures all ingredients are evenly mixed and helps to incorporate air, making the frosting light, fluffy, and voluminous. A properly beaten buttercream will be noticeably lighter in color and texture, almost cloud-like.
Step 4: Achieving the Perfect Consistency with Milk

After your butter and sugar are beautifully creamed, it’s time to adjust the consistency. Add 1 tablespoon of milk to the bowl and mix on medium speed for about a minute until fully incorporated. At this point, stop your mixer and assess the frosting. It might still appear a little dry or stiff, depending on factors like humidity, the exact temperature of your butter, and the brand of powdered sugar.
If it needs to be thinner, add additional milk one teaspoon at a time, mixing thoroughly after each addition. The goal is to reach a smooth, spreadable, yet stable consistency. If you plan to pipe intricate designs, you’ll want it slightly stiffer to hold its shape. For a simple spread over a cake, a slightly looser consistency is perfectly fine. Remember, you can always add more liquid, but it’s much harder to thicken frosting once it’s too thin without adding more powdered sugar, so proceed gradually and patiently.
Step 5: Infusing the Refreshing Mint Flavor

Now for the star flavor! Add 1/2 teaspoon of pure peppermint extract to your frosting. Mix it in until it’s completely incorporated, ensuring the flavor is evenly distributed throughout. This is where the magic begins, transforming plain buttercream into a vibrant minty delight. As a golden rule for any flavored frosting, you must ALWAYS taste your frosting. Take a small spoonful and evaluate not just the mint intensity, but also the overall sweetness and consistency.
Peppermint extracts can vary in strength, so your taste buds are your best guide. If you desire a more intense mint flavor, add another 1/4 teaspoon of extract, mix, and taste again. Be cautious not to overdo it, as too much peppermint can become overpowering and medicinal. Conversely, if the frosting feels too stiff after adding the extract, a tiny splash more milk can help balance it out. This iterative tasting and adjusting process ensures your frosting is perfectly tailored to your preference.
Step 6: Adding a Pop of Mint Green Color

While you could leave your frosting white, a vibrant mint green color truly enhances the visual appeal and signals the delicious flavor within. It just doesn’t feel very “minty” without that signature hue! To achieve our beautiful mint green, we recommend using a combination of food colorings, as a single green can sometimes look dull:
- Add 2 drops of yellow food coloring.
- Then, add 1 small drop of blue food coloring.
Mix thoroughly until the color is uniform and streak-free. Start with these amounts, and if you want a deeper or lighter shade, add more coloring one drop at a time, mixing well after each addition. Gel food colorings are often preferred over liquid ones as they provide more vibrant color without significantly altering the frosting’s consistency. This step transforms your delicious frosting into a visual treat, making your baked goods even more inviting and festive.
Step 7: Preparing and Folding in Oreo Crumbs

The Oreo cookie pieces are what make this frosting truly special, adding a delightful chocolatey crunch that contrasts beautifully with the smooth buttercream. Through extensive taste testing in our kitchen, we’ve discovered a secret to the best Oreo incorporation:
Remove the Oreo filling before crushing the cookies. While optional, this step significantly improves the frosting’s texture and flavor balance. The filling can sometimes make the frosting overly sweet or contribute an undesired stickiness, potentially making the frosting too soft or causing color bleed. To do this, simply twist apart the Oreo cookies and scrape off the white cream filling with a knife or spoon. You can discard the filling or save it for another sweet treat!
Once the filling is removed, it’s time to crush your cookies. You want a coarse crumb – not too fine like dust, but not so large that they clog your decorating tip if you’re piping. You can achieve this by placing the cookies in a sturdy Ziploc bag and crushing them with a rolling pin, or by pulsing them briefly in a food processor. Aim for pieces that are small enough to pass through a decorating tip, but substantial enough to provide a noticeable crunch.
After crushing, it’s crucial to sift out any very fine cookie dust. This dust tends to disappear into the frosting, potentially dulling its vibrant green color and contributing to a less desirable texture. Use a fine-mesh sieve to separate the coarser crumbs from the fine dust. Discard the dust or save it for another use (like a pie crust!). Finally, gently fold 1/2 cup of these perfectly prepared Oreo crumbs into your mint frosting. Mix just until combined to avoid crushing the crumbs further. The visual contrast of the dark cookie pieces against the mint green frosting is simply stunning and incredibly appealing.
Mint Oreo Buttercream Frosting: The Ultimate Indulgence

Your exquisite Mint Oreo Buttercream Frosting is now complete! This luscious, creamy, and crunchy topping is ready to transform your desserts. Whether you’re frosting cupcakes, layering a multi-tiered cake, or simply spreading it over a batch of brownies, its refreshing mint and chocolatey notes will be an instant hit. The visual appeal of the vibrant green dotted with dark cookie crumbs is just as delightful as its taste, promising a truly memorable dessert experience.
Expert Tips for Perfect Mint Oreo Buttercream Frosting
The “Make-Ahead” Conundrum: A Crucial Note on Storage
Unlike some other buttercreams, our Mint Oreo Buttercream Frosting comes with a specific recommendation for optimal results: it is not a “make-ahead” frosting to be stored un-applied. This is a critical tip from our test kitchen, one we learned through delicious experimentation. For the best appearance and texture, we strongly advise you to frost your baked goods within a few hours of preparing the buttercream.
Here’s why: If you refrigerate this frosting and then try to stir it up the next day to use, the delicate Oreo cookie crumbs will begin to soften and blend into the frosting. This blending action can cause the frosting to lose its distinct textural contrast and, more noticeably, turn it into an unappealing greenish-grey color. The moisture from the frosting interacts with the dark cookie crumbs, leading to this discoloration and a slightly muddier flavor profile that you want to avoid.
However, once applied, the frosting behaves beautifully! It is perfectly fine to frost your cupcakes, cakes, or other baked goods and then refrigerate the *frosted* items. The issue arises specifically from the act of *stirring* the frosting after it has been chilled and the crumbs have softened. So, for the freshest taste and most appealing look, make it fresh, apply it fresh, and then enjoy the benefits of refrigeration for your finished desserts.
Understanding Your Frosting Yields

A common question when making frosting is, “How much will I need?” The precise amount of frosting required can vary based on how thickly you apply it, your decorating style, and the size of your baked goods. However, our Mint Oreo Buttercream Frosting recipe typically yields approximately 2.5 cups of frosting, offering generous coverage for most standard baking projects. Here are some helpful guidelines to estimate your needs:
- Sheet Cakes: This recipe will provide ample frosting to generously cover a standard 9″ x 13″ sheet cake, ensuring every slice gets a good dollop of minty, chocolatey goodness and a beautiful finish.
- Layer Cakes: For a more elaborate creation, you’ll have enough to beautifully frost and fill a two-layer 8″ cake. This includes a delicious layer between the cakes and a smooth, even coating on the top and sides, making it perfect for celebrations.
- Cupcakes (Knife Application): If you prefer a simpler, rustic look and spread the frosting with a knife or spatula, this recipe is sufficient to frost approximately 24 standard-sized cupcakes, offering a balanced frosting-to-cake ratio.
- Cupcakes (Piping Bag Application): When swirling on frosting with a pastry bag and a decorating tip (like our recommended Wilton 2D), the volume of frosting used per cupcake increases due to the height and decorative nature. In this case, you can expect to frost between 15 to 18 cupcakes, depending on the size and height of your swirls.
It’s always a good idea to have a little extra frosting than not enough, especially if you love a thick layer or plan on extensive decoration. This recipe is designed to give you plenty to work with for most common baking projects, ensuring you don’t run short when creativity strikes.

Unleash Your Inner Baker with Mint Oreo Buttercream
And there you have it! A straightforward path to creating the most incredible Mint Oreo Buttercream Frosting you’ve ever tasted. With just a little effort, you’ve transformed simple ingredients into a show-stopping, flavor-packed topping that will make any dessert unforgettable. From the moment you whip it up, you’ll be greeted by the invigorating aroma of fresh mint and rich chocolate, promising a treat that’s as delightful to the senses as it is to the palate.
Imagine frosting fluffy cupcakes for a special occasion, layering a birthday cake that will be the talk of the party, or simply adding a festive touch to a batch of homemade cookies. This frosting isn’t just delicious; it’s versatile, bringing a touch of gourmet flair to all your baked creations. The combination of creamy texture, refreshing peppermint, and crunchy Oreo bits creates a symphony of flavors and textures that will have everyone reaching for more, making it a perfect addition to any dessert table.
Don’t hesitate to experiment with this recipe. Adjust the mint intensity to your liking, or play with different shades of green for a personalized touch. Remember our key tips about preparing the Oreos and using the frosting fresh for the best results, and you’ll be guaranteed success every time. So go ahead, grab your mixer, and start crafting this amazing Mint Oreo Buttercream. Get ready to elevate your baking to an entirely new level, making every bite a celebration of mint, chocolate, and homemade goodness!

Mint Oreo Buttercream Frosting: The Full Recipe
Mint Oreo Buttercream Frosting
This creamy and delicious buttercream frosting is infused with refreshing mint flavor and packed with crunchy Oreo cookies – a true delight!
Ingredients:
- 1 pound (4 cups) Powdered Sugar
- 1 cup (2 sticks) Butter, softened (Salted Sweet Cream Butter recommended)
- 1 Tablespoon Milk
- 1/2 teaspoon Peppermint Extract
- 1/2 cup Oreo Cookie Pieces (crushed with filling removed, finely sifted)
- Wilton Color Right Food Coloring – Yellow and Blue
- Optional Tools: Decorating Bags, Wilton 2D Decorating Tip, Electric Mixer
Instructions:
- Prepare Powdered Sugar: Add powdered sugar to your mixing bowl. Sift if lumpy, or mix on low for 30 seconds to break up clumps.
- Add Butter: Add softened butter to the bowl with the powdered sugar.
- Initial Mixing: Start beating on the lowest speed until the powdered sugar is incorporated with the butter. Use a dishtowel to prevent sugar from flying out.
- Cream Frosting: Increase mixer speed to medium-high and beat for several minutes, scraping down the bowl frequently, until light and fluffy.
- Adjust Consistency: Add 1 tablespoon of milk and mix well. If frosting still appears dry, add more milk, one teaspoon at a time, until the desired consistency is reached.
- Add Peppermint Extract: Incorporate 1/2 teaspoon of peppermint extract and mix. Taste and adjust if a stronger mint flavor is desired.
- Color Frosting: Add 2 drops of yellow and 1 small drop of blue food coloring. Mix until you achieve a uniform mint green color.
- Prepare Oreos: Remove filling from Oreo cookies, then coarsely crush them. Sift out any fine cookie dust.
- Fold in Oreos: Gently fold 1/2 cup of the prepared Oreo cookie pieces into the mint frosting until just combined.
Important Note: This frosting is best used fresh. Do not refrigerate the frosting un-applied, as stirring it later can cause the cookie crumbs to bleed color and turn the frosting grayish.
Category: Frosting
You May Also Like:
- Mint Chocolate Chip Buttercream Frosting: For a delightful variation featuring chocolate chips.
- The Best Mint Buttercream Frosting: A classic, pure mint buttercream that’s incredibly versatile.
- The Best Oreo Frosting: If you’re simply craving that iconic Oreo flavor in a creamy frosting.