The Ultimate Fudgy Chocolate Mint Brownies with Creamy Mint Frosting (Easy & Homemade)
Prepare to fall in love with the most irresistible chocolate mint brownies you’ll ever bake! This homemade recipe delivers a perfect balance of rich, deep chocolate and cool, refreshing mint. Each brownie is incredibly fudgy, bursting with chocolate chips, and crowned with a luscious, vibrant green mint buttercream frosting. Forget dry, cakey brownies – these are moist, dense, and packed with an explosion of flavor that will leave everyone craving more.

Growing up, the thought of mint in my desserts was a definite no-go. I simply didn’t understand the appeal! However, much to my surprise, my palate has evolved, and now I find myself not only tolerating but actively craving that refreshing minty kick, especially when paired with decadent chocolate. This recipe has quickly become a frequently requested favorite, joining the ranks of my beloved Chocolate Chip Cupcakes With Mint Frosting and delectable Chocolate Mint Truffles.
What makes this combination so magical is how the robust flavor of chocolate harmoniously balances the cool, invigorating essence of mint. It’s subtle enough not to be overwhelming, yet prominent enough to be distinctly delicious. Beyond the incredible taste, the cheerful green hue of the Easy Mint Frosting makes these fudgy chocolate mint brownies an absolute showstopper, ideal for festive occasions like St. Patrick’s Day parties or any celebration that calls for a pop of color and an unforgettable dessert.
Why You’ll Love This Chocolate Mint Brownie Recipe
There are countless reasons why these chocolate mint brownies stand out from the crowd and why they’re destined to become your new go-to recipe:
- Irresistibly Fudgy Texture: We’re talking dense, chewy, and perfectly moist brownies, not dry or cake-like. This is achieved through a precise ratio of butter, chocolate, and sugars, ensuring that quintessential fudgy bite every time.
- Balanced Flavor Profile: The mint isn’t overpowering; it’s a refreshing complement to the rich, deep chocolate. The careful use of mint extract ensures a pure, clean mint flavor without any artificial taste.
- Simple Ingredients, Amazing Results: Made from scratch with everyday pantry staples, this recipe proves that incredible flavor doesn’t require complex ingredients.
- Easy to Make: With straightforward steps and minimal fuss, even novice bakers can achieve bakery-quality results. The process involves simple melting, mixing, and baking.
- Visually Stunning: The vibrant green mint frosting layered over dark chocolate brownies creates a beautiful contrast, making them perfect for celebrations and holidays.
- Customizable: Whether you want to add nuts, different chocolate, or vary the frosting, this recipe is a fantastic base for endless variations to suit your taste.
Key Ingredients for Perfect Brownies
Crafting the best fudgy chocolate mint brownies starts with understanding the role each ingredient plays. Here’s a detailed look at the core components:
- Butter: Use unsalted butter, softened to room temperature. Butter is crucial for the rich flavor and fudgy texture of the brownies. It also helps create a smooth, creamy frosting. Avoid replacing it with oil, as butter contributes significantly to the brownie’s chewiness and overall mouthfeel.
- Chocolate Chips: I prefer semi-sweet chocolate chips for a balanced chocolate flavor that pairs wonderfully with mint. However, feel free to use dark chocolate for a more intense cocoa experience or milk chocolate for a sweeter, milder profile. High-quality chocolate chips will always yield superior results.
- Sugar: This recipe utilizes a blend of granulated sugar, brown sugar, and powdered sugar.
- Granulated Sugar: Provides sweetness and helps create the crisp, shiny crust characteristic of excellent brownies.
- Brown Sugar: Adds moisture, contributing to the fudgy and chewy texture, along with a subtle caramel note. If you’re out, check out this post on How to Make Brown Sugar. If your brown sugar has hardened, this guide on How to Soften Brown Sugar will be helpful.
- Powdered Sugar: Essential for achieving a smooth, lump-free mint buttercream frosting.
- Eggs: Use large eggs at room temperature. Room temperature eggs emulsify better with the butter and sugar, leading to a smoother batter and a more uniform, fudgy texture in the finished brownies.
- Mint Extract: This is the star for that satisfying minty goodness. It provides a concentrated flavor that’s easy to control. Be mindful not to confuse it with peppermint extract, which has a distinctly different and often stronger flavor.
- Flour: All-purpose flour is all you need. Proper measurement is key; too much flour can lead to cakey or dry brownies, rather than the desired fudgy consistency.
- Cocoa Powder: Unsweetened cocoa powder is vital for achieving a deep, rich chocolate flavor in the brownies. It enhances the chocolate chips and provides a beautiful dark color.
- Milk: Whole milk is recommended for the frosting due to its higher fat content, which contributes to a creamier, richer buttercream. Heavy cream can also be used for an even more decadent frosting.
- Food Coloring: Green food coloring is entirely optional but adds to the festive, minty look, especially if you’re serving these for holidays like St. Patrick’s Day.
Delicious Variations to Try
While these chocolate mint brownies are perfect as is, they also serve as an excellent base for creative customizations. Here are some delightful variations to explore:
- Andes Mint Version: Elevate the minty flavor by incorporating Andes mints. You can melt some Andes mint chocolates and drizzle them artfully over the finished mint frosting. Alternatively, chop them into smaller pieces and sprinkle them generously on top of the icing for a lovely crunch and extra burst of flavor. For an even deeper integration, stir chopped Andes mint bits directly into the brownie batter before baking.
- Crème de Menthe Version: For a sophisticated twist, replace a portion of the mint extract with crème de menthe in either the frosting or the brownie batter. This liqueur adds a unique depth and a slightly boozy kick to your dessert.
- Thin Mint Cookie Overload: If you’re a fan of Girl Scout Thin Mint cookies, crush a handful of them and sprinkle them lavishly over the mint frosting. This adds an incredible texture, intense mint-chocolate flavor, and a nostalgic touch.
- Serve Without Icing: For a simpler, yet equally satisfying experience, serve warm brownies without the frosting. They are absolutely divine paired with a scoop of mint chocolate chip ice cream – truly a mind-blowing flavor combination! You could also serve them with a dollop of homemade mint whipped cream.
- Experiment with Other Frosting Flavors: While mint buttercream is classic, feel free to switch it up. Consider a rich Chocolate Buttercream Frosting for a double chocolate treat, a classic American Buttercream Frosting, tangy Cream Cheese Frosting, fluffy Marshmallow Frosting, elegant Chocolate Ganache Frosting, creamy Chocolate Cream Cheese Frosting, or a sweet White Chocolate Buttercream Frosting.
- Boost Mint Chocolate Chips: To intensely amplify the mint chocolate flavor within the brownie itself, stir an extra half cup of mint chocolate chips into the brownie batter just before baking.
- Add in Chopped Nuts: For a delightful textural contrast and nutty flavor, fold in half a cup of chopped pecans, walnuts, almonds, or even peanuts into the brownie batter.
- Creative Drizzles: Instead of, or in addition to, frosting, drizzle the cooled brownies with a luxurious Chocolate Ganache, a gooey Caramel Sauce, or a simple yet sweet Vanilla Glaze.

How to Make Easy Chocolate Mint Brownies from Scratch: A Step-by-Step Guide
Making these decadent chocolate mint brownies is surprisingly simple. Just follow these easy steps for perfect results every time:
- Melt Chocolate and Butter: In a large microwave-safe bowl, combine the butter and chocolate chips. Heat in 30-second intervals, stirring thoroughly after each, until the mixture is completely melted and smooth. Ensure it’s not boiling hot; let it cool slightly if needed before proceeding. (Image 1, 2)
- Combine Wet Ingredients: To the cooled chocolate mixture, add the granulated sugar, brown sugar, room temperature eggs, and mint extract. Whisk or mix until thoroughly combined and smooth. (Image 3, 4)
- Add Dry Ingredients: Gently fold in the all-purpose flour and cocoa powder. Mix just until combined. Be careful not to over-mix, as this can develop the gluten too much, leading to tougher, more cake-like brownies instead of fudgy ones. (Image 5, 6)
- Bake to Perfection: Pour the brownie batter into a greased and parchment-lined 9×13 inch baking pan. Bake at 350°F (175°C) for 30-35 minutes, or until a toothpick inserted into the center comes out with moist crumbs attached (not wet batter). Allow the brownies to cool completely in the pan before frosting. (Image 7)
- Prepare Mint Frosting: While the brownies cool, prepare the creamy mint buttercream. In a mixing bowl, beat softened unsalted butter until light and fluffy. Gradually add powdered sugar, milk (or heavy cream), mint extract, and a few drops of green food coloring (if using). Beat until smooth and creamy. (Image 8)
- Frost and Chill: Once the brownies are completely cool, spread an even layer of the mint frosting over the top. For clean, perfectly cut squares, chill the frosted brownies in the refrigerator for at least 1 hour to allow the frosting to set.
- Slice and Serve: Use a sharp, warm knife to cut the chilled brownies into squares. Drizzle with extra melted chocolate if desired, and enjoy these delightful homemade treats!

Expert Tips for the Best Fudgy Brownies
Achieving truly perfect fudgy chocolate mint brownies is all about a few key techniques and considerations. Keep these tips in mind for consistently amazing results:
- Choose the Right Mint Flavor: Stick to mint extract rather than fresh mint or peppermint extract. Fresh mint can be overpowering or inconsistent, and peppermint extract has a different, often stronger, cooling flavor profile. Mint extract offers a balanced, classic mint taste that’s easy to control.
- Butter is Best: Do not substitute butter with oil. Butter is essential for the rich flavor, chewiness, and fudgy texture that defines these brownies. Oil tends to produce a more cake-like texture.
- Measure Flour Accurately: Too much flour is a common culprit for dry, cakey brownies. Measure your all-purpose flour by weight (preferred) or use the “spoon and level” method (spoon flour into the measuring cup, then level off with a straight edge) rather than scooping directly from the bag.
- Mind the Mint Extract Quantity: Mint extract is potent. Start with the recommended amount (typically 1 teaspoon for the brownies and 1.5 teaspoons for the frosting) and add more in tiny increments if you desire a stronger flavor. Too much mint can result in a bitter aftertaste.
- Chocolate Choice Matters: While semi-sweet chocolate chips are my go-to, feel free to use dark chocolate for an intensely rich brownie or milk chocolate for a sweeter, milder flavor. Ensure you use good quality chocolate for the best taste.
- Avoid Rising Agents: This recipe is designed for fudgy brownies, which means it deliberately omits baking powder or baking soda. Adding these leavening agents will result in a lighter, cake-like texture, which is not what we’re aiming for here.
- Cool Completely Before Frosting: Patience is a virtue when it comes to frosting brownies. Ensure the brownies are entirely cool before spreading the mint buttercream, otherwise, the frosting will melt and slide off, creating a messy finish.
- For Perfect Slices: To achieve beautifully clean, even brownie squares, chill the frosted brownies in the refrigerator for at least 1 hour (or until the frosting is firm) before slicing with a sharp knife. You can warm your knife slightly with hot water and wipe it clean between cuts for extra neatness.
- Sugar Duo for Texture: Using both granulated sugar and brown sugar in the brownie batter contributes to the ideal balance of structure (from granulated sugar) and moisture/chewiness (from brown sugar).
- Green Food Coloring is Optional: The green food coloring adds visual appeal, especially for holidays, but it does not affect the taste. Feel free to omit it if you prefer a natural white mint frosting.
- Do Not Over-bake: Over-baking is the quickest way to turn fudgy brownies into dry, crumbly ones. Keep an eye on the baking time and remove them when a toothpick inserted into the center still has moist crumbs attached.
- Stick to Sugar: Do not replace granulated or brown sugar with liquid sweeteners like honey or molasses, as this will significantly alter both the flavor and the desired fudgy texture of the brownies.
- Room Temperature Ingredients: Ensure all cold ingredients, especially butter and eggs, are at room temperature. This allows them to combine more smoothly and evenly, resulting in a more uniform batter and better final texture.
- Avoid Over-mixing: Once you add the flour and cocoa powder, mix only until just combined. Over-mixing develops the gluten in the flour, leading to tough, dense (in a bad way) brownies.
Recipe FAQs
When using mint extract, it’s always best to start conservatively. Begin with 1 teaspoon and taste your batter or frosting. You can gradually add more, about a quarter teaspoon at a time, until you reach your desired flavor intensity. Remember, mint extract is potent, and adding too much can result in an overwhelming, bitter aftertaste that detracts from the overall dessert.
To transform a basic box brownie mix into mint brownies, prepare the brownie batter exactly according to the package instructions. Once the batter is ready, stir in 1 to 2 teaspoons of pure mint extract. Mix it thoroughly to ensure the flavor is evenly distributed, then bake as directed on the box. You can also add green food coloring for visual appeal.
Dry brownies are typically a result of one of two common issues: either they were over-baked, or too much flour was added to the batter. Over-baking causes too much moisture to evaporate, leaving them crumbly. Similarly, excess flour absorbs too much liquid, leading to a dense, cakey, and dry texture. Ensure you measure flour correctly and bake only until a toothpick comes out with moist crumbs, not completely clean.

Storage & Make-Ahead Tips
Proper storage ensures your delicious chocolate mint brownies stay fresh and fudgy for as long as possible:
- Room Temperature: Unfrosted brownies can be stored in an airtight container at room temperature for up to 2-3 days. If frosted, they are best stored in the refrigerator.
- Refrigerate: Leftover frosted brownies should be stored in a sealed, airtight container in the refrigerator for up to 5 days. Chilling also helps the frosting set and makes for cleaner slices.
- Freeze: For longer storage, you can freeze these brownies. Store them in a sealed, freezer-safe container for up to 1 month. For best results, wrap individual brownies or the whole slab tightly in plastic wrap first, then place them in the container to prevent freezer burn. Thaw in the fridge overnight or at room temperature for a couple of hours before serving.
- Make Ahead: This recipe is excellent for making ahead! You can bake the brownies up to 3 days in advance and store them unfrosted in an airtight container in the fridge. Prepare the frosting just before serving or up to a day in advance (store in the fridge and re-whip if needed) and frost right before your event. For longer make-ahead, freeze the unfrosted brownie slab for up to a month. Thaw, then frost and serve.
More Irresistible Brownie Recipes
If you’re a brownie enthusiast like me, you’ll love exploring these other fantastic brownie creations:
- Chocolate Orange Brownies
- Cake Mix Brownies
- Fudgy Vegan Eggless Brownies
- Fudgy Black Bean Brownies
- Fudgy Avocado Brownies
Recipe Card

Easy Chocolate Mint Brownies (Soft, Fudgy)
Abeer Rizvi
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Ingredients
Brownies
- 1 cup Butter Unsalted
- 1 ⅓ cups Chocolate chips Semisweet
- 1 ½ cups Granulated sugar
- ½ cup Brown sugar
- 4 Eggs Large, Room temperature
- 1 teaspoon Mint extract
- ¾ cup All-purpose flour
- ¼ cup Cocoa powder
Mint Frosting
- ½ cup Butter Unsalted, Softened
- 2.5 cups Powdered sugar
- 3-4 tablespoon Milk Or heavy cream
- 1.5 teaspoon Mint extract
- Green food coloring
Drizzle
- ½ cup Chocolate chips Semisweet, Melted
Instructions
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In a microwave-safe bowl, add butter, chocolate chips and heat in 30 second increments, while mixing in between, until everything has fully melted into a smooth mixture.
Note: The mixture should not be boiling hot. If it is, let it cool down a bit and then proceed to the next step.
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Add granulated sugar, brown sugar, eggs, mint extract and mix until smooth.
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Add flour, cocoa powder and mix until just combined. Don’t over-mix!
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Pour brownie batter in a rectangle cake pan (Dimensions: 9×13) that’s been lined with foil paper and sprayed with oil.
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Bake at 350 degrees F for 30-35 minutes or until an inserted toothpick in the center comes out with some sticky crumbs.
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Allow the brownies to cool down completely while you prepare the frosting…
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In a mixing bowl, add butter and mix until smooth.
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Add powdered sugar (½ cup at a time) while continuing to mix until the desired spreadable consistency is achieved.
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Add mint extract and green coloring and mix until combined.
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Spread frosting on the cooled brownies and chill for at least 1 hour before cutting slices.
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Drizzle each slice with melted chocolate and enjoy!
Video
Notes
- Don’t use too much mint extract because that can add an overwhelming bitter taste.
- Use both, granulated and brown sugar in the batter for best texture.
- Green food coloring is optional. You can omit it if you don’t like it.
- Don’t over-bake brownies because that can make them very dry.
- Read additional tips and variations above.
- Leftovers can be stored in a sealed container in the fridge for up to 3 days.
Nutrition
An automated tool is used to calculate the nutritional information. As such, I cannot guarantee the accuracy of the nutritional information provided for any recipe on this site.