Peppermint Mocha Brownies

Rich, fudgy peppermint mocha brownies made with dark chocolate, espresso powder, and a hint of peppermint extract. Topped with a silky mocha ganache and crushed candy canes, these festive brownies are perfect for holiday dessert trays, Christmas parties, and peppermint lovers.

Course Dessert

Cuisine American

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Prep Time 20

Cook Time 32

Cooling Time 1

Total Time 1 52

Servings 16 brownies

Calories 345kcal

Cost $9 for entire recipe

Equipment

8-inch square baking pan
Parchment paper
Large mixing bowl
Medium mixing bowl
Whisk
Rubber spatula
Measuring cups and spoons
Kitchen scale (optional, for accuracy)
Microwave-safe bowl or small saucepan
Heatproof bowl (for the ganache)
Cooling rack
Sharp knife (for slicing brownies)

Ingredients

For the Brownies

1 cup unsalted butter
4 ounces dark chocolate 60–70%, chopped
1 cup granulated sugar
¾ cup light brown sugar packed
3 large eggs
1 large egg yolk
2 teaspoons vanilla extract
¼ teaspoon peppermint extract
2 teaspoons espresso powder
⅞ cup all-purpose flour
¾ cup Dutch-process cocoa powder
1 teaspoon fine sea salt
1 cup semi-sweet chocolate chips

For the Mocha Ganache

¾ cup semi-sweet chocolate chips
⅓ cup heavy cream
1 teaspoon espresso powder
1 tablespoon unsalted butter
⅛ teaspoon peppermint extract

For the Topping

3 tablespoons crushed candy canes
Chocolate curls optional

Instructions

Preheat the oven to 350°F. Line an 8-inch square baking pan with parchment paper.
Melt the butter and dark chocolate together in a microwave-safe bowl or saucepan until smooth. Let cool for 2 to 3 minutes.
Whisk in the granulated sugar and brown sugar until glossy and fully combined.
Add the eggs and egg yolk one at a time, whisking well after each addition.
Stir in the vanilla extract, peppermint extract, and espresso powder.
In a separate bowl, whisk together the flour, cocoa powder, and salt.
Fold the dry ingredients into the wet ingredients just until combined. Do not overmix.
Fold in the chocolate chips.
Spread the batter evenly into the prepared pan.
Bake for 30 to 33 minutes, or until a toothpick inserted near the center comes out with moist crumbs attached.
Allow the brownies to cool completely in the pan.
To make the ganache, place the chocolate chips in a heatproof bowl.
Heat the heavy cream until steaming but not boiling. Stir in the espresso powder.
Pour the hot cream over the chocolate chips and let sit for 2 minutes.
Add the butter and peppermint extract. Whisk until smooth and glossy.
Spread the ganache evenly over the cooled brownies.
Sprinkle with crushed candy canes and chocolate curls if desired.
Refrigerate for 15 to 20 minutes to set the ganache.
Slice into 16 brownies and serve.

Notes

Use Dutch-Process Cocoa for Rich Chocolate Flavor

Dutch-process cocoa powder gives these peppermint mocha brownies a deeper chocolate flavor and a darker, more luxurious appearance. It also blends beautifully with the espresso powder to create a smooth mocha taste without bitterness. For the best bakery-style results, choose Dutch-process cocoa whenever possible.

Espresso Powder Enhances the Chocolate

Espresso powder is an important ingredient in this recipe because it intensifies the chocolate flavor and creates the signature mocha profile. The brownies won't taste strongly of coffee. Instead, the espresso adds depth and richness that makes the chocolate flavor even more pronounced.

Measure the Peppermint Extract Carefully

Peppermint extract is highly concentrated, so a small amount is all you need. The quantity used in this recipe provides a refreshing peppermint finish that complements the chocolate and mocha flavors. Adding too much peppermint extract can overpower the brownies and create a medicinal flavor.

Don't Overbake

The key to achieving fudgy peppermint mocha brownies is removing them from the oven at the right time. Bake until a toothpick inserted near the center comes out with a few moist crumbs attached. The brownies will continue to set as they cool, creating a dense and chewy texture.

Allow the Brownies to Cool Completely

Before adding the mocha ganache, make sure the brownies have cooled completely. Spreading ganache over warm brownies can cause it to become too thin and messy. A cool brownie base helps the ganache set properly and creates beautiful, clean layers.

Chill Before Slicing

For neat, bakery-style brownie squares, chill the brownies for about 30 minutes after the ganache has set. This firms up both the brownie layer and the ganache, making it easier to cut clean slices.

Use Freshly Crushed Candy Canes

Crushed candy canes add festive color, crunch, and peppermint flavor. For the best texture, reserve a small amount to sprinkle on top just before serving. This prevents the candy pieces from absorbing moisture and becoming sticky during storage.

Choose High-Quality Chocolate

Since chocolate is the star of these brownies, using good-quality dark chocolate and semi-sweet chocolate will significantly improve the final flavor. Higher-quality chocolate creates a richer, smoother brownie with a more balanced mocha flavor.

Perfect for Holiday Baking

These peppermint mocha brownies are ideal for Christmas dessert trays, holiday cookie exchanges, edible gifts, and festive gatherings. Their combination of rich chocolate, smooth mocha, and cool peppermint flavors makes them a seasonal favorite that looks as impressive as it tastes.

Make Ahead Friendly

These brownies can be prepared a day in advance, making them perfect for holiday entertaining. The flavors actually deepen overnight, creating an even richer chocolate and mocha experience the next day. Store them covered in the refrigerator and allow them to sit at room temperature for about 15 minutes before serving for the best texture.