Chocolate Mint Brownie Squares

Highlighted under: Classic Baking Recipes

Whenever I crave something decadent, these Chocolate Mint Brownie Squares immediately come to mind. The rich chocolate flavor melds beautifully with the refreshing mint, making every bite a delightful experience. I love how easy they are to whip up; it’s just a matter of mixing the ingredients together and letting the flavors harmonize. Perfect for gatherings or a cozy night in, these brownies never fail to impress. Trust me, once you try them, you’ll want to keep this recipe close at hand for all your sweet tooth emergencies.

Harriet Bloom

Created by

Harriet Bloom

Last updated on 2026-01-13T01:26:36.704Z

Making these Chocolate Mint Brownie Squares has become my go-to whenever I need a crowd-pleasing dessert. I remember the first time I made them for a friend’s gathering; they vanished within minutes! The combination of fudgy chocolate and cool mint creates a perfect balance that everyone seems to adore. The secret? Using good quality cocoa powder elevates the brownies to a whole new level.

I also experimented with the mint layer, trying both peppermint extract and fresh mint. While both worked, the extract delivered a more pronounced flavor without overpowering the chocolate. Just a few drops did the trick, infusing the brownies with that delightful minty freshness.

Why You Will Love This Recipe

  • Decadent chocolate paired with a hint of refreshing mint
  • Fudgy texture that melts in your mouth with every bite
  • A visually stunning dessert that impresses guests

Mastering the Brownie Base

The brownie base is the foundation of this delightful dessert, and achieving the perfect fudgy texture is key. When mixing the melted butter and granulated sugar, ensure they are well combined to introduce air into the mixture. This helps create a slightly lighter texture. Remember to add the eggs one at a time, allowing each egg to fully incorporate before adding the next; this step is crucial for an even bake and a moist outcome.

Sifting the dry ingredients—flour, cocoa powder, and salt—before adding them to the wet mixture can prevent lumps and ensure a smoother batter. While mixing, be careful not to overwork the batter; stopping once you see no dry flour and cocoa will help maintain that rich, fudgy consistency. Trust me on this: seeing some streaks in the batter is perfectly fine!

Creating the Perfect Mint Layer

The mint layer adds an irresistible freshness to the brownies. When beating the softened butter with powdered sugar, start at a low speed to avoid a cloud of sugar before gradually increasing to medium. This helps create a light, fluffy consistency that contrasts beautifully with the dense brownie base. If you want a vibrant mint green hue, adding a few drops of food coloring will not only enhance the presentation but also signify the refreshing flavor inside.

It's essential to let your brownie base cool completely before applying the mint layer. If the brownies are still warm, the mint layer can melt and lose its structure. I recommend waiting at least 30 minutes to an hour, depending on your kitchen temperature. Once cooled, applying the mint layer with an offset spatula ensures an even spread without disturbing the brownies below.

Tips for a Glossy Ganache

To achieve a glossy ganache, the heat of the cream is critical. Heat the heavy cream in a saucepan until it's just shy of boiling; this typically takes about 3-5 minutes on medium heat. Pouring the hot cream over the chocolate chips allows them to melt gently, resulting in a smooth and luxurious texture. Avoid stirring immediately after pouring; letting it rest for a minute allows the chocolate to soften properly before combining.

If your ganache turns out too thick, some gentle reheating can remedy the situation. Just return it to low heat for a few seconds while stirring continuously until you reach the desired consistency. Conversely, if it's too thin, let it sit at room temperature for a bit or whip it briefly with a whisk to add air, helping it thicken slightly.

Ingredients

Gather these ingredients before you start:

Brownie Base

  • 1 cup unsalted butter, melted
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1 cup unsweetened cocoa powder
  • 1/2 teaspoon salt

Mint Layer

  • 1 cup powdered sugar
  • 1/4 cup unsalted butter, softened
  • 2 tablespoons heavy cream
  • 1/2 teaspoon peppermint extract
  • Green food coloring (optional)

Chocolate Ganache

  • 1 cup semi-sweet chocolate chips
  • 1/2 cup heavy cream

Once you have everything ready, let's get baking!

Instructions

Follow these steps for a perfect bake:

Prepare the Brownie Base

In a large bowl, mix melted butter and granulated sugar until combined. Add eggs one at a time, stirring well after each. Incorporate vanilla extract, then sift in flour, cocoa powder, and salt, mixing until just combined. Pour into a greased 9x13 inch baking pan.

Bake the Brownies

Preheat the oven to 350°F (175°C). Bake for 25 minutes or until a toothpick comes out with moist crumbs. Allow to cool completely before adding the mint layer.

Prepare the Mint Layer

Beat together softened butter, powdered sugar, heavy cream, and peppermint extract until smooth. If desired, mix in a few drops of green food coloring for a pop of color. Spread evenly over the cooled brownies.

Make the Ganache

In a small saucepan, heat heavy cream until just simmering. Pour over chocolate chips in a bowl and let sit for a minute before stirring until smooth. Pour the ganache over the mint layer and spread gently.

Chill and Serve

Refrigerate the assembled brownies for at least 1 hour, then cut into squares and serve chilled or at room temperature.

Your Chocolate Mint Brownie Squares are now ready to impress!

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Pro Tips

  • For an even richer chocolate flavor, consider adding chocolate chips to the brownie batter. Just be cautious not to overbake the brownies for maximum fudginess.

Storage and Make-Ahead Tips

These Chocolate Mint Brownie Squares store exceptionally well, making them a perfect make-ahead dessert for gatherings. Once chilled, you can cover them tightly with plastic wrap or transfer them to an airtight container for up to a week in the refrigerator. This helps the flavors deepen, especially the mint layer, which can taste even better the next day.

If you plan to serve them later, consider freezing them. Cut the brownies into squares, place them in a single layer on a baking sheet to freeze until solid, and then transfer them to a freezer-safe container. They can be frozen for up to three months. Thaw them at room temperature for about 30 minutes before serving for the best texture and flavor.

Serving Suggestions

To elevate your Chocolate Mint Brownie Squares, consider serving them with a dollop of whipped cream or a scoop of vanilla ice cream. The creaminess of the ice cream balances out the dense chocolate flavor and minty freshness beautifully. For an extra touch, drizzle some chocolate syrup or a sprinkle of crushed mint leaves over the top for visual appeal.

If you want to add a twist, top with crushed peppermint candies or cocoa nibs for added texture and bite. Garnishing with a mint sprig will also add a lovely fresh aroma and make these brownies even more enticing when served at a party.

Questions About Recipes

→ Can I use dark chocolate instead of semi-sweet chocolate?

Absolutely! Dark chocolate will add a more intense flavor to the ganache.

→ How should I store the brownies?

Store them in an airtight container at room temperature or in the fridge for up to a week.

→ Can I freeze these brownies?

Yes! You can freeze them for up to three months. Just wrap them tightly in plastic wrap.

→ Are these brownies gluten-free?

You can substitute the all-purpose flour with a gluten-free blend if needed.

Chocolate Mint Brownie Squares

Whenever I crave something decadent, these Chocolate Mint Brownie Squares immediately come to mind. The rich chocolate flavor melds beautifully with the refreshing mint, making every bite a delightful experience. I love how easy they are to whip up; it’s just a matter of mixing the ingredients together and letting the flavors harmonize. Perfect for gatherings or a cozy night in, these brownies never fail to impress. Trust me, once you try them, you’ll want to keep this recipe close at hand for all your sweet tooth emergencies.

Prep Time20 minutes
Cooking Duration25 minutes
Overall Time45 minutes

Created by: Harriet Bloom

Recipe Type: Classic Baking Recipes

Skill Level: Easy

Final Quantity: 16 squares

What You'll Need

Brownie Base

  1. 1 cup unsalted butter, melted
  2. 2 cups granulated sugar
  3. 4 large eggs
  4. 1 teaspoon vanilla extract
  5. 1 cup all-purpose flour
  6. 1 cup unsweetened cocoa powder
  7. 1/2 teaspoon salt

Mint Layer

  1. 1 cup powdered sugar
  2. 1/4 cup unsalted butter, softened
  3. 2 tablespoons heavy cream
  4. 1/2 teaspoon peppermint extract
  5. Green food coloring (optional)

Chocolate Ganache

  1. 1 cup semi-sweet chocolate chips
  2. 1/2 cup heavy cream

How-To Steps

Step 01

In a large bowl, mix melted butter and granulated sugar until combined. Add eggs one at a time, stirring well after each. Incorporate vanilla extract, then sift in flour, cocoa powder, and salt, mixing until just combined. Pour into a greased 9x13 inch baking pan.

Step 02

Preheat the oven to 350°F (175°C). Bake for 25 minutes or until a toothpick comes out with moist crumbs. Allow to cool completely before adding the mint layer.

Step 03

Beat together softened butter, powdered sugar, heavy cream, and peppermint extract until smooth. If desired, mix in a few drops of green food coloring for a pop of color. Spread evenly over the cooled brownies.

Step 04

In a small saucepan, heat heavy cream until just simmering. Pour over chocolate chips in a bowl and let sit for a minute before stirring until smooth. Pour the ganache over the mint layer and spread gently.

Step 05

Refrigerate the assembled brownies for at least 1 hour, then cut into squares and serve chilled or at room temperature.

Extra Tips

  1. For an even richer chocolate flavor, consider adding chocolate chips to the brownie batter. Just be cautious not to overbake the brownies for maximum fudginess.

Nutritional Breakdown (Per Serving)

  • Calories: 290 kcal
  • Total Fat: 15g
  • Saturated Fat: 9g
  • Cholesterol: 50mg
  • Sodium: 100mg
  • Total Carbohydrates: 34g
  • Dietary Fiber: 1g
  • Sugars: 24g
  • Protein: 3g