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Fudgy Mint Brownies

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Satisfy your sweet tooth with our exquisite three-layered mint brownies. The journey begins with a luscious base of fudgy brownies, offering a rich and deeply satisfying chocolate flavor. Next, a layer of creamy mint frosting adds a refreshing and indulgent contrast, tantalizing the taste buds with its smooth texture and cool minty essence. Finally, the brownies are crowned with a decadent blanket of chocolate ganache, completing this symphony of flavors with a luxurious touch. These delightful treats are perfect for any occasion, from elegant gatherings to casual indulgences, promising a sensational experience in every bite.

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

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Below you will find tips, tricks and helpful hints for making this recipe including step by step instructions with pictures. If you would like to go directly to the recipe, scroll down to the recipe card or tap “Jump to Recipe” at the top of the page.

Why You’ll Love These Brownies

I understand the allure of mint brownies, especially as we approach St. Patrick’s Day. Their moist, chocolatey decadence merges seamlessly with refreshing mint flavor, creating a perfect dessert for any gathering. These brownies boast a fudgy texture that melts in your mouth, layered with creamy mint frosting and topped with silky chocolate ganache. Every bite ushers in a celebration, making these mint chocolate brownies a delightful treat for the holiday season and beyond.

Ingredients to make brownies.

Mint Brownie Ingredients

*Ingredient amounts are located in the recipe card at the end of this post.

Butter: This is the foundation for both the brownie batter and the chocolate ganache, providing richness and moisture.

Cocoa Powder: Adds deep chocolate flavor to the brownie base.

Eggs: These are key for achieving a chewy texture in your fudgy brownies.

Sugar: Ensures sweetness perfectly balances the cocoa’s bitterness.

Vanilla Extract: Enhances the chocolate flavor, giving an aromatic depth.

All-Purpose Flour: This gives structure to your delicious brownies.

Salt: Salt is essential; it sharpens the chocolate taste.

Baking Soda: Helps the brownie rise slightly for that signature fudgy texture

Ingredient to make mint frosting.

Mint Frosting Ingredients Include: Additional butter, powdered sugar, milk, and peppermint extract for that creamy mint layer

Chocolate Ganache Layer Calls For: More butter and semi-sweet chocolate chips, creating a glossy finish

Ingredients to make chocolate ganache.

Each ingredient plays a pivotal role in creating the ultimate mint brownies. From the melted chocolate that makes the brownies irresistibly fudgy to the creamy mint frosting that contrasts beautifully, every component comes together for the perfect dessert. Whether it’s for St. Patrick’s Day or any day you crave something sweet, these brownies won’t disappoint.

How to Make Perfect Mint Brownies

[Step 1] Brownies: Melt 1 cup of butter in a small saucepan over medium heat. Remove from heat and stir in the cocoa powder. Set aside.

Melted butter and cocoa powder in a frying pan.

[Step 2] In the bowl of a stand mixer, beat the eggs then gradually add the sugar. Add the vanilla and chocolate mixture, then stir until smooth.

Wet ingredients for brownies in a mixing bowl.

​[Step 3] In a separate bowl, whisk the flour, salt, and baking soda. Add the dry ingredients to the wet ingredients. 

Brownie batter in a mixing bowl with a silicone spatula.

[Step 4] Pour the batter into a 9×13 baking dish that has been sprayed with nonstick spray or lined with parchment paper and bake at 350 degrees for 30 minutes or until a toothpick inserted comes out clean. Remove from the oven and cool completely before adding the frosting.

Brownies in a baking dish.

[Step 5] Mint Frosting: Beat the butter in a mixing bowl until light and fluffy. Mix in the powdered sugar, a little at a time. Add the peppermint extract, milk, and food coloring to the frosting and mix for 1-2 minutes. Frost the cooled brownies and place in the refrigerator to set for at least one hour.

Brownies topped with mint frosting in a baking dish.

[Step 6] Chocolate Layer: Melt the butter and chocolate chips in a medium saucepan over medium-low heat. When the chocolate has melted, pour it over the mint frosting layer and carefully spread with a knife or offset spatula. Place the brownies back in the refrigerator for at least one hour to overnight.

Brownies topped with mint frosting and chocolate ganache in a baking dish.

[Step 7] When the chocolate has set, remove and cut into bars.

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

Helpful Kitchen Tools

How to Store Leftover Brownies

For best results, place your brownies in an airtight container. This keeps unwanted air and moisture out, preserving the lush, chewy texture of your chocolate mint brownies. If you’ve gone the extra mile with a chocolate ganache topping, a piece of parchment paper between layers prevents them from sticking together. For added freshness, slip a paper towel into the bottom of the container to absorb any excess moisture that might arise, especially if you’re in a humid climate.

Refrigeration is your ally here. It not only helps set the creamy mint frosting and chocolate layers but also extends the freshness of your brownies. Before you reach for them, though, let them warm slightly at room temperature. This ensures the flavors really shine through, delivering that perfect bite.

Remember, direct sunlight or warm spots in the kitchen can turn your perfect dessert into a less desirable one, so the fridge offers a safe haven. With these steps, your homemade mint brownies remain the delectable treat they are meant to be, ready for you to enjoy at a moment’s notice.

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

Baking Tips & Tricks

Preparing the brownie batter requires precision. I always recommend using room temperature eggs to ensure they blend seamlessly with the batter. This small step contributes significantly to the overall texture of your mint brownies, making them exceptionally fudgy and rich.

Measuring the flour correctly is also critical; too much can lead to cakey brownies, while the right amount promises a fudgy delight. To achieve this, spoon the flour into the measuring cup and level it off with a knife for the perfect measurement. 

Crafting the creamy mint filling is just as straightforward. Start by beating the softened butter until it’s light and fluffy, which forms the base of your creamy mint layer. Gradually add powdered sugar to avoid clumps and achieve smooth, spreadable frosting.

The peppermint extract adds the distinctive mint flavor, but careful not to overdo it; a little goes a long way. If the frosting seems too thick, a splash of milk can adjust its consistency for easier spreading over your cooled brownies.

The chocolate ganache layer, with its rich and glossy finish, crowns your mint brownies. Melt the chocolate and butter slowly over low heat, stirring constantly, to prevent the chocolate from seizing. Cooling the ganache slightly before pouring ensures a thick, even layer that sets perfectly atop the mint frosting.

For best results, let the ganache set in the refrigerator before slicing into bars. This layer not only adds to the decadence but seals in the freshness, allowing you to store these brownies in an airtight container, ready to impress on St. Patrick’s Day or any special occasion.

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

Frequently Asked Questions

Can I use fresh mint instead of peppermint extract for the mint flavor?

Yes, you can infuse the melted butter with fresh mint leaves to introduce a subtle, fresh mint flavor to your brownies. Let the leaves steep in the hot butter for about 10 minutes before straining. This method gives a natural taste, but keep in mind that peppermint extract provides a more intense flavor.

What if my brownies are too cakey and I prefer them fudgier? 

To achieve fudgier mint brownies, reduce the amount of flour to 1 and 1/4 cups and ensure not to overbake them. Baking for a shorter period encourages a denser texture, which is key for fudgy brownies. Always use a toothpick to check doneness; it should come out with some moist crumbs attached.

My chocolate ganache is too runny; how can I fix it?

If your chocolate ganache turns out runny, chill it in the refrigerator for about 30 minutes. As it cools, it thickens. Stir every 10 minutes to check consistency. Once it reaches a spreadable thickness, use it to coat the mint layer. The key is patience to achieve that luxurious, thick layer of chocolate ganache.

Can I store mint brownies to keep them fresh for longer periods?

Absolutely, to keep your mint brownies fresh, place them in an airtight container. Separate layers with parchment paper or a paper towel to absorb any extra moisture. They should be stored in the refrigerator for up to a week or in the freezer for three months. Thaw overnight in the fridge before enjoying.

Is there a way to make these brownies gluten-free?

Yes, you can easily adapt this recipe to be gluten-free by substituting the all-purpose flour for a gluten-free flour blend. Look for one that can be used as a 1:1 replacement. Also, verify that your cocoa powder and chocolate chips are gluten-free to ensure the final product is safe for those with gluten sensitivities.

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

Final Thoughts

Fudgy mint brownies, with their layers of gooey chocolate ganache and creamy mint frosting, bring a smile to faces year after year. I find something deeply satisfying about mixing the rich brownie batter, watching it transform into cakey or chewy delights in the oven.

The addition of melted chocolate and mint filling elevates them from mere baked goods to the realm of perfect desserts. Especially around St. Patrick’s Day, these mint chocolate brownies turn into symbols of festive joy, their green hue mirroring the vibrant spirit of the holiday. 

Homemade brownie recipes, particularly this mint brownie recipe, remind us of the joy of crafting something with love, sharing it with others, and enjoying the rich flavors of chocolate and mint in harmony. So, gather your best brownie recipe, and let’s spread some homemade happiness this St. Patrick’s Day with our decadent fudgy mint brownies. 

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

More Brownies to Try:

Did you try this recipe? Make sure to give it a five star ⭐️⭐️⭐️⭐️⭐️ rating below!

Brownies topped with mint frosting and chocolate ganache on a piece of parchment paper.

Fudgy Mint Brownies

Yield: 15 Brownies
Prep Time: 30 minutes
Cook Time: 30 minutes
Additional Time: 2 hours
Total Time: 3 hours

Unleash the delightful combination of fudgy richness and cool mint freshness with these irresistible mint brownies. Sink your teeth into the perfect harmony of dense, chocolatey indulgence and refreshing mint flavor. Perfect for satisfying sweet cravings and wowing guests at any occasion.

Ingredients

Brownies

  • 1 Cup Butter, softened
  • 1/2 Cup Cocoa Powder
  • 4 Eggs
  • 2 Cups Sugar
  • 1 Teaspoon Vanilla
  • 1 1/2 Cups All-Purpose Flour
  • 1/2 Teaspoon Salt
  • 1/2 Teaspoon Baking Soda

Mint Frosting

  • 1/2 Cup Butter, softened
  • 2 Cups Powdered Sugar
  • 2 Tablespoons Milk
  • 1 Teaspoon Peppermint Extract
  • Green Food Coloring

Chocolate Ganache

  • 1/2 Cup Butter
  • 1 1/2 Cups Semi-Sweet Chocolate Chips

Instructions

  1. Brownies: Melt 1 cup of butter in a small saucepan over medium heat. Remove from heat and stir in the cocoa powder. Set aside.
  2. In the bowl of a stand mixer, beat the eggs then gradually add the sugar.Add the vanilla and chocolate mixture, then stir until smooth.
  3. ​In a separate bowl, whisk the flour, salt, and baking soda. Add the dry ingredients to the wet ingredients. 
  4. Pour the batter into a 9x13 baking dish that has been sprayed with nonstick spray or lined with parchment paper and bake at 350 degrees for 30 minutes or until a toothpick inserted comes out clean. Remove from the oven and cool completely before adding the frosting.
  5. Mint Frosting: Beat the butter in a mixing bowl until light and fluffy. Mix in the powdered sugar, a little at a time. Add the peppermint extract, milk, and food coloring to the frosting and mix for 1-2 minutes. Frost the cooled brownies and place in the refrigerator to set for at least one hour.
  6. Chocolate Layer: Melt the butter and chocolate chips in a medium saucepan over medium-low heat. When the chocolate has melted, pour it over the mint frosting layer and carefully spread with a knife or offset spatula. Place the brownies back in the refrigerator for at least one hour to overnight.
  7. When the chocolate has set, remove and cut into bars.
Nutrition Information:
Yield: 15 Serving Size: 1 Brownie
Amount Per Serving: Calories: 539Total Fat: 31gSaturated Fat: 19gTrans Fat: 1gUnsaturated Fat: 10gCholesterol: 115mgSodium: 330mgCarbohydrates: 64gFiber: 2gSugar: 51gProtein: 5g

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Tami

Monday 20th of March 2017

Ooh, these seriously look like some of the yummiest brownies I've ever seen, haha! :) I pinned this for later because I definitely need to try 'em out!

udaykumar

Monday 20th of March 2017

Yumeee!

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