Irresistibly Moist Chocolate Mint Cupcakes with Lush Peppermint Buttercream
For all the chocolate mint aficionados out there, these Chocolate Mint Cupcakes are an absolute dream come true. Imagine a dessert that combines the rich, deep flavor of chocolate with the cool, refreshing kick of mint, all wrapped up in a perfectly moist and tender cupcake. Topped with a vibrant, creamy peppermint green buttercream frosting, each bite promises a delightful experience, reminiscent of beloved treats like Thin Mint cookies, Andes mints, or classic mint chocolate chip ice cream. These aren’t just cupcakes; they’re a celebration of one of the most iconic flavor pairings in confectionery.

Living in Chicago, St. Patrick’s Day is a truly grand affair. We embrace the festive spirit with elaborate parades, colorful costumes, and even dye our river green! It’s this vibrant atmosphere that makes these mint green cupcakes the quintessential St. Patrick’s Day treat. The addition of green food coloring to the mint frosting transforms them into a festive delight, perfectly suited for any St. Patrick’s Day celebration, or really, any occasion where a touch of green and a burst of minty chocolate joy are welcome.
This delightful recipe is proudly sponsored by Lifeway Kefir. Their plain whole milk kefir is not only a fantastic ingredient for baking but also offers impressive health benefits. It’s up to 99% lactose-free, gluten-free, and made with high-quality organic ingredients, ensuring that your cupcakes are not only delicious but also benefit from the goodness of probiotics.
Why You’ll Fall in Love with These Chocolate Mint Cupcakes
These chocolate mint cupcakes are more than just a dessert; they’re an experience waiting to happen. Here’s why you’ll find yourself reaching for this recipe again and again:
- Explosion of Chocolate Mint Flavor: Each bite delivers a harmonious blend of rich chocolate and refreshing mint. The balance is carefully crafted so neither flavor overpowers the other, creating a truly irresistible taste that appeals to everyone who loves this classic combination.
- Unbelievably Moist and Delicious Cake: Thanks to carefully selected ingredients like vegetable oil and Lifeway Kefir, these cupcakes boast an incredibly moist and tender crumb. They are just as delicious and satisfying as our popular chocolate raspberry cupcakes, ensuring a melt-in-your-mouth experience.
- A Guaranteed Crowd Pleaser: Whether you’re baking for a holiday, a birthday, or just a casual get-together, these chocolate cupcakes with their distinctive mint buttercream frosting are always a hit. Their striking green frosting and enticing flavor make them stand out and disappear quickly!
- Boosted with Nutrients and Probiotic Cultures: Incorporating Lifeway Kefir into the batter not only contributes to the cupcakes’ exceptional moisture and a subtle tang but also adds beneficial probiotic cultures. This means you’re not just enjoying a treat, but one that offers a little extra goodness for your gut health.
- A Refreshing Twist on Classic Favorites: If you enjoy unique flavor combinations like our Orange Chocolate Cake, you’ll adore this minty take on a chocolate classic. It’s familiar yet exciting, making it a perfect addition to your baking repertoire.
Essential Ingredients for Perfect Chocolate Mint Cupcakes
Crafting these delectable chocolate mint cupcakes requires a selection of quality ingredients that work in harmony to create the perfect texture and flavor profile. Here’s a closer look at the key components:

- Vegetable Oil: The secret to our incredibly moist cake lies in the use of vegetable oil. Unlike butter, which can make cakes denser, oil creates a lighter, softer, and more consistently moist crumb that stays fresh for longer. You can also use other neutral-flavored oils like canola or grapeseed.
- Lifeway Organic Plain Whole Milk Kefir: This star ingredient adds a wonderful tang and an unparalleled level of moisture to these chocolate mint cupcakes. Its slight acidity also reacts with the baking soda, contributing to the cupcakes’ fluffy texture. Plus, it infuses them with beneficial probiotics!
- Peppermint Extract: Essential for that signature mint flavor, peppermint extract is used in both the cupcake batter and the luscious chocolate mint buttercream. The mint flavor in the cupcakes themselves is designed to be subtle, allowing the chocolate to shine. However, if you’re a true mint lover, feel free to add a bit more peppermint extract to the batter for a more pronounced flavor.
- Cocoa Powder: For the ultimate rich chocolate flavor without adding extra fat, unsweetened cocoa powder is our choice for the cake batter. We recommend using a good quality Dutch-processed cocoa powder, as its lower acidity provides a smoother, darker chocolate taste and interacts perfectly with the leavening agents in this recipe.
- Baking Powder and Baking Soda: These two leavening agents work hand-in-hand to create beautifully fluffy and airy cupcakes. The baking soda reacts with the acidic kefir and cocoa powder, while the baking powder provides an extra lift, ensuring a light and tender crumb every time.
- Green Gel Food Coloring: To achieve that iconic peppermint green hue in your frosting, we highly recommend using green gel food coloring. Gel colors are highly concentrated and won’t thin out your buttercream, which can be a common issue with water-based food colorings. You’ll only need a small amount to get a vibrant color.
For a precise breakdown, please refer to the full list of ingredients and measurements on the recipe card below.
Creative Substitutions & Delicious Variations
While these chocolate mint cupcakes are perfect as is, there are many ways to customize them to your liking or adapt them based on available ingredients. Here are some ideas to inspire your baking creativity:
- Oreo or Thin Mint Surprise: For an extra layer of flavor and texture, place a mint Oreo cookie or a classic Thin Mint cookie at the bottom of each cupcake liner before adding the batter. As the cupcake bakes, the cookie softens and creates a delightful surprise layer.
- Chocolate Chip or Crushed Oreo Swirl: Fold in a handful of mini chocolate chips or finely crushed regular/mint Oreos into your mint chocolate cupcake batter. This adds a lovely crunch and intensifies the chocolate experience.
- Andes Mint Fusion: For an “Andes chocolate mint cake” experience, carefully press an Andes mint candy into the middle of each cupcake batter-filled liner before baking. The mint will melt slightly, creating a gooey, minty center.
- Seasonal Color Changes: The beauty of the mint buttercream is its versatility. Feel free to dye the frosting any color you desire to match a specific occasion! Red and white frosting can transform these into fantastic peppermint cupcakes for Christmas holidays, or blue for a winter wonderland theme.
- Buttermilk Substitute for Kefir: If Lifeway Kefir isn’t available in your local grocery store, you can substitute an equal amount of buttermilk. Buttermilk offers similar acidity and moisture-enhancing properties, though it won’t provide the same probiotic benefits. You can also make your own buttermilk by adding 1 tablespoon of lemon juice or white vinegar to regular milk and letting it sit for 5-10 minutes.
Please note that this recipe has not been extensively tested with other substitutions or variations. If you experiment with different ingredients, we’d love to hear how it turned out in the comments below to help other bakers!
Simple Steps to Bake Irresistible Chocolate Mint Cupcakes
Making these delightful chocolate mint cupcakes is straightforward and enjoyable. Follow these step-by-step instructions to create a batch of perfectly moist and flavorful treats:

Step 1: Prepare the Wet Ingredients. In a medium-sized bowl, thoroughly whisk together the granulated sugar and vegetable oil until well combined and slightly lighter in color. Then, incorporate the room temperature egg, plain whole milk kefir, and peppermint extract, stirring until the mixture is smooth and fully integrated.

Step 2: Combine the Dry Ingredients. In a separate, larger bowl, whisk together the all-purpose flour, rich cocoa powder, baking powder, baking soda, and a pinch of salt. Ensure all dry ingredients are evenly distributed to guarantee a consistent rise in your cupcakes.

Step 3: Mix the Batter. Gently stir the wet ingredients into the dry mixture until just a few streaks of flour remain. Be careful not to overmix, as this can lead to tough cupcakes. Finally, mix in the hot water until the batter is smooth and uniformly combined, ensuring the cocoa powder “blooms” for a deeper chocolate flavor.

Step 4: Bake the Cupcakes. Fill cupcake liners evenly with the prepared cake batter, aiming for about ½ to ⅔ full. Bake them in a preheated oven at 350°F (175°C) for approximately 15-20 minutes, or until a toothpick inserted into the center of a cupcake comes out clean. This indicates they are fully cooked and ready to cool.

Step 5: Prepare the Mint Buttercream. While your cupcakes are cooling completely, prepare the vibrant mint buttercream. In a large bowl, cream together the softened unsalted butter until light and fluffy. Gradually add the powdered sugar, then mix in the heavy whipping cream, peppermint extract, and green food coloring until the frosting is smooth, creamy, and reaches your desired shade of green.

Step 6: Frost and Serve. Once the cupcakes are completely cooled, it’s time for the fun part! Pipe or spread the fluffy mint frosting generously on top of each cupcake. For an extra touch of elegance, consider a delicate chocolate drizzle or a sprinkle of your favorite festive toppings. Now, they’re ready to be enjoyed!
Expert Baking Tips for Flawless Cupcakes
Achieving bakery-quality cupcakes at home is easier than you think with these expert tips:
- Bloom Your Cocoa with Hot Water: Don’t skip the hot water step in the batter. This crucial step “blooms” the cocoa powder, which means it enhances and intensifies its chocolatey flavor. It also helps to create a super moist and tender crumb by fully dissolving the cocoa.
- Opt for Quality Cupcake Liners: Using good quality paper cupcake liners is a game-changer. They prevent the cupcakes from sticking to the pan, make them easy to remove, and minimize mess when eating. Look for grease-proof liners to ensure their color and integrity hold up during baking.
- Patience is Key: Cool Completely Before Frosting: This cannot be stressed enough – wait until your cupcakes are fully and completely cooled before attempting to ice them. Warm cupcakes will cause the buttercream frosting to melt, slide off, and create an unsightly mess. If you’re in a hurry, you can speed up the cooling process by placing them in the refrigerator for a short period after they’ve cooled slightly on the counter.
- Master the Piping: For that beautifully swirled mint frosting, an extra-large closed star piping tip works wonders. Practice on a piece of parchment paper first to get the hang of the motion. A steady hand and even pressure will yield impressive results.
Frequently Asked Questions About Chocolate Mint Cupcakes
While butter adds flavor, these cupcakes achieve their signature super moist and tender texture specifically because of the vegetable oil in the batter. Oil remains liquid at room temperature, keeping the cake softer for longer, whereas butter can solidify and make the cake feel denser. For the best results in terms of moisture, stick with vegetable oil.
Peppermint extract is a common baking ingredient and is usually readily available. You can typically find it in the baking aisle of most grocery stores, often located near the vanilla extract and other flavorings. If your local store doesn’t carry it, it’s also widely available for purchase online from various retailers.
While both provide a minty flavor, mint extract and peppermint extract have slightly different flavor profiles. Peppermint is generally stronger and has a cooler, sharper taste, which is what gives these cupcakes their distinct refreshing quality. Mint extract can sometimes be milder or have a more “spearmint” like flavor. For the classic chocolate mint taste, we highly recommend peppermint extract. However, if you prefer the nuances of mint extract, feel free to experiment!
Lifeway Kefir is a popular brand and can be found in the dairy section of most major grocery stores across the country. You can also visit lifewaykefir.com to use their store locator and find a retailer near you. We specifically recommend their Organic Plain Whole Milk Kefir for this recipe.

Storage Tips for Fresh Cupcakes
To keep your chocolate mint cupcakes tasting fresh and delicious for as long as possible, follow these storage guidelines:
Room Temperature (Unfrosted)
If you haven’t frosted your cupcakes yet, they can be stored in an airtight container at room temperature for up to 3 days. Ensure they are completely cooled before storing to prevent condensation which can make them soggy.
Refrigerator (Frosted)
Once frosted with the mint buttercream, these cupcakes are best stored in an airtight container in the refrigerator. They will maintain their freshness and flavor for up to 4 days. Allowing them to come to room temperature for about 15-20 minutes before serving can enhance their texture and flavor.
Freezing Instructions (Unfrosted)
For longer storage, fully cooled, unfrosted cupcakes can be frozen. Wrap each cupcake individually in plastic wrap, then place them in an airtight, freezer-safe container or a heavy-duty freezer bag. They will keep well for up to 2 months. To serve, thaw them on the counter for a few hours, then frost and decorate as desired.
Discover More Delicious Recipes You’ll Love
If you enjoyed these chocolate mint cupcakes, we’re sure you’ll love exploring other sweet treats from our kitchen:
- Chocolate Donuts with Sprinkles
- Easy Triple Chocolate Brownie Muffins
- Black Velvet Cupcakes with Raspberry Filling
- Cookies and Cream Donuts with Chocolate Ganache
Did you try this recipe? Leave a ⭐️⭐️⭐️⭐️⭐️ review below and tag @brokenovenbaking and @lifewaykefir on Instagram!
📖 Recipe

Chocolate Mint Cupcakes
Kayla Burton
Pin Recipe
20
15
35
12
cupcakes
412
kcal
Equipment
-
Cupcake pan and liners -
Mixing bowls -
Measuring spoons -
Scale/measuring cups -
Whisk -
Spatula -
Electric mixer recommended for frosting
Kayla’s Top Tip
Weigh dry ingredients in grams (g) with a food scale for best results!
Toggle on to prevent your screen from going dark
Ingredients
Chocolate Mint Cupcakes
-
⅓
cup
(78.86
ml)
vegetable oil
or other neutral oil -
⅔
cup
(133.33
g)
granulated sugar -
1
large
egg
room temperature -
1
teaspoon
peppermint extract -
⅓
cup
(78.86
ml)
Lifeway Organic Plain Whole Milk Kefir -
1
cup
(125
g)
all-purpose flour
weighed in grams or spooned and leveled -
⅓
cup
(32
g)
cocoa powder
Dutch Processed -
½
teaspoon
baking powder -
½
teaspoon
baking soda -
½
teaspoon
salt -
½
cup
(118.29
ml)
hot water
Mint Buttercream
-
1
cup
(227
g)
unsalted butter
room temperature -
3
cups
(360
g)
powdered sugar -
2
tablespoons
heavy whipping cream -
¾
teaspoon
peppermint extract -
⅛
teaspoon
green food coloring
more/less depending on color preference
Instructions
Chocolate Mint Cupcakes
-
Preheat your oven to 350°F (175°C) and prepare a 12-cup cupcake pan by lining it with paper cupcake liners.
-
In a medium bowl, vigorously whisk together the vegetable oil and granulated sugar until well combined. Stir in the room temperature egg, peppermint extract, and Lifeway Organic Plain Whole Milk Kefir until the mixture is smooth and thoroughly integrated.
-
In a separate, large bowl, whisk together the all-purpose flour, cocoa powder, baking powder, baking soda, and salt. Add the wet ingredients to the dry mixture and stir gently until just a few flour streaks remain. Then, mix in the hot water until just combined, being careful not to overmix.
-
Evenly distribute the cupcake batter into the prepared cupcake liners, filling each about ½ to ⅔ full. Bake on the middle rack of your preheated oven for approximately 15-20 minutes, or until a wooden toothpick inserted into the center comes out clean.
Allow the cupcakes to cool in the pan for a few minutes before transferring them to a wire rack to cool completely. This is crucial before frosting!
Mint Buttercream
-
While the cupcakes are cooling, prepare your mint buttercream. In a large mixing bowl (or the bowl of a stand mixer), beat the softened unsalted butter until it’s light and creamy. Gradually add the powdered sugar, mixing thoroughly after each addition. Incorporate the heavy whipping cream, peppermint extract, and green food coloring, then continue to beat until the frosting is smooth, fluffy, and reaches your desired consistency and color.
-
Once the cupcakes are completely cooled, pipe or spread the mint frosting generously on top of each. For an extra decorative touch, drizzle with chocolate sauce or sprinkle with your favorite festive toppings (optional). Serve and enjoy your homemade chocolate mint cupcakes!
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Notes
Kefir Details: This recipe proudly features Lifeway Kefir, my go-to brand for its quality and flavor. Specifically, their organic plain whole milk kefir is recommended for the best balance of moisture, tang, and probiotics in these cupcakes.
Storage Reminders: Unfrosted chocolate mint cupcakes can be kept in an airtight container at room temperature for up to 3 days, or frozen for up to 2 months. Frosted cupcakes, due to the dairy in the buttercream, should be stored in an airtight container in the refrigerator for up to 4 days.
Nutrition Disclaimer: The nutritional information provided in this recipe is an estimate per cupcake, calculated assuming a yield of 12 cupcakes per batch. Please be aware that the accuracy of calorie and other nutritional values is not guaranteed and can vary based on specific ingredients and preparation methods.
Calories:
412
kcal
Carbohydrates:
51
g
Protein:
3
g
Fat:
23
g
Saturated Fat:
12
g
Polyunsaturated Fat:
4
g
Monounsaturated Fat:
6
g
Trans Fat:
1
g
Cholesterol:
60
mg
Sodium:
174
mg
Potassium:
62
mg
Fiber:
1
g
Sugar:
41
g
Vitamin A:
546
IU
Vitamin C:
0.01
mg
Calcium:
32
mg
Iron:
1
mg
The provided nutritional information is an estimate per serving. Accuracy is not guaranteed.
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