Name: Coffee Brownies with Mocha Frosting Recipe
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 8 ounces (240mL) strong coffee; ½ cup (113g) unsalted butter, cut into 6-8 slices; 8 ounces (227g) semi-sweet chocolate, coarsely chopped; ¾ cup (150g) firmly packed light brown sugar; ¼ cup (50g) granulated sugar; 3 large eggs, room temperature preferred; 1 Tablespoon (15mL) concentrated coffee; ¾ cup (90g) all-purpose flour, measured properly; ¼ teaspoon salt; 2 ounces (40g) unsweetened baking chocolate, coarsely chopped; 4 Tablespoons (57g) unsalted butter; 1 Tablespoon (15mL) concentrated coffee; 1 to 2 Tablespoons (15-30mL) milk or cream; 2 cups (240g) powdered sugar; Pinch of salt

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If you’re a fan of bold, rich flavors that perfectly balance sweet and deep coffee notes, this Coffee Brownies with Mocha Frosting Recipe is going to become your new obsession. Imagine fudgy, homemade brownies infused with concentrated coffee, topped with a luscious mocha frosting that melts in your mouth — it’s the kind of treat that feels indulgent yet comforting. Whether you’re serving it for a special occasion or just craving a delightful pick-me-up, these brownies bring together the best of chocolate and coffee in one unforgettable bite.

Ingredients You’ll Need

Inside a clear glass bowl on a white marbled surface sits thick, dark brown chocolate batter with a smooth and slightly shiny texture. A wooden spoon with a light wood handle rests inside the batter, covered halfway in the mixture. The batter forms soft swirls and ridges, showing its creamy consistency. Photo taken with an iphone --ar 4:5 --v 7

This recipe calls for simple, accessible ingredients that each play a key role in creating the perfect texture, flavor, and aroma. From the creamy butter to the concentrated coffee, every element enhances this Coffee Brownies with Mocha Frosting Recipe in its own delicious way.

8 ounces (240mL) strong coffee: Reduced down to intensify the coffee flavor that infuses both the brownies and the frosting.
½ cup (113g) unsalted butter: Provides richness and moisture for the fudgy brownie texture.
8 ounces (227g) semi-sweet chocolate: Melts into the batter for deep chocolate intensity.
¾ cup (150g) firmly packed light brown sugar: Adds mellow sweetness and contributes to a tender crumb.
¼ cup (50g) granulated sugar: Balances out sweetness and adds a slight crunch.
3 large eggs: Bring together the ingredients and give the brownies structure.
1 Tablespoon (15mL) concentrated coffee: A concentrated boost of flavor blended right into the batter and frosting.
¾ cup (90g) all-purpose flour: The backbone of the brownie, make sure to measure correctly for best results.
¼ teaspoon salt: Enhances the chocolate and coffee flavors perfectly.
2 ounces (40g) unsweetened baking chocolate: Essential for the deep, bittersweet mocha frosting.
4 Tablespoons (57g) unsalted butter: Creates a creamy, smooth frosting base.
1 to 2 Tablespoons (15-30mL) milk or cream: Adjusts frosting consistency for easy spreading.
2 cups (240g) powdered sugar: Sweetens and thickens the mocha frosting to just the right consistency.
Pinch of salt: Balances sweetness and boosts the mocha frosting’s richness.

How to Make Coffee Brownies with Mocha Frosting Recipe

Step 1: Reduce the Coffee

Begin by brewing a strong 8-ounce cup of coffee. Pour this into a small saucepan and heat it over medium until it boils. Then reduce the coffee gently until only 2 tablespoons remain — this concentrated coffee is the secret to that unmistakable mocha kick that flavors both the brownies and the frosting beautifully.

Step 2: Prep and Preheat

Preheat your oven to 350ºF (177ºC). Line an 8- or 9-inch square baking pan with foil and spray with nonstick spray to make sure your brownies come out flawlessly. Setting the stage like this saves you hassle later and guarantees smooth removal.

Step 3: Melt Butter and Chocolate

Using a medium saucepan over medium heat, gently melt the butter and semi-sweet chocolate together, stirring frequently until velvety smooth. This rich base is what gives the brownies their intense chocolate character. Let this mixture cool for about 15 minutes to avoid scrambling the eggs later.

Step 4: Mix Sugars, Eggs, and Coffee

Whisk both the light brown sugar and granulated sugar into the cooled chocolate mixture until they’re fully combined. Add the eggs one by one, whisking after each addition to keep everything silky. Stir in 1 tablespoon of the concentrated coffee—you’ll start to smell the irresistible mocha aroma now.

Step 5: Add Dry Ingredients

Fold in the all-purpose flour and salt gently but thoroughly until the batter is uniform. Be careful not to overmix, as this helps keep the brownies tender and fudgy.

Step 6: Bake the Brownies

Pour the rich batter into your prepared pan, smoothing the top evenly. Bake for 25 to 30 minutes or until a toothpick inserted near the center comes out mostly clean with just a few moist crumbs attached—this guarantees a fudgy, soft center that is pure bliss. Let the brownies cool completely before moving on to frosting.

Step 7: Make the Mocha Frosting

In a small saucepan over medium heat, melt the unsweetened baking chocolate and butter together. Set aside to cool for about 15 minutes. Then, beat this mixture with concentrated coffee and milk or cream in a mixer, slowly adding powdered sugar until the frosting is creamy and spreadable. A pinch of salt here elevates all the flavors and rounds out the sweetness perfectly.

Step 8: Frost and Serve

Lift the cooled brownies from the pan using the foil overhang, peel back the foil, and place the brownies on a cutting board. Spread your luscious mocha frosting evenly on top. Once frosted, cut into 16 decadent squares and get ready to enjoy!

How to Serve Coffee Brownies with Mocha Frosting Recipe

The image shows four brownie squares with two layers on a white marbled surface. The bottom layer is dark brown and looks dense and moist, while the top layer is light brown, smooth, and creamy frosting with visible textured strokes. One brownie square is stacked partly on another, and it has a bite taken out, showing the thick frosting and dense brownie inside. On top of two brownies are two dark brown coffee beans as decoration. Around the squares are scattered coffee beans with a glossy shine. The photo taken with an iphone --ar 4:5 --v 7

Garnishes

For an added touch of elegance and extra coffee punch, sprinkle the frosted brownies with finely ground espresso beans or a light dusting of cocoa powder. You can also top them with chocolate shavings or even a few chocolate-covered espresso beans for that delightful crunch.

Side Dishes

These rich brownies pair wonderfully with a scoop of vanilla or coffee ice cream for a classic combination. Alternatively, a dollop of whipped cream or a simple glass of cold milk balances the intense mocha flavors, making it an irresistible duo for any time of day.

Creative Ways to Present

Consider serving your brownies in a rustic wooden box lined with parchment for a charming, homemade gift. Or stack smaller brownie bites on a dessert tower for parties. Wrapping individual squares with a festive ribbon can turn them into perfect party favors or thoughtful treats.

Make Ahead and Storage

Storing Leftovers

Leftover brownies can be stored at room temperature, covered tightly, for up to one week. Keeping them airtight prevents them from drying out and preserves that perfect fudgy texture with creamy mocha frosting.

Freezing

These Coffee Brownies with Mocha Frosting Recipe freezes beautifully. Wrap individual portions in plastic wrap, then place inside a freezer-safe container or bag. They will maintain their best quality for up to three months — just remember to thaw them overnight in the fridge before serving.

Reheating

If you want to enjoy these brownies warm, place them in the microwave for about 10-15 seconds. This will soften the mocha frosting slightly and make the chocolate beautifully melty again. Keep an eye on them to avoid overheating and drying out the brownie.

FAQs

Can I use instant coffee instead of brewed coffee for this recipe?

Absolutely! Concentrated brewed coffee has a richer flavor, but if you only have instant coffee, make a strong batch and reduce it similarly. Just adjust the strength to your preference for the best mocha taste.

What if I don’t have unsweetened baking chocolate for the frosting?

You can substitute with high-quality bittersweet or semisweet chocolate, but keep in mind it will make the frosting sweeter. Adjust powdered sugar accordingly or reduce it slightly to balance the flavor.

Can I make these brownies gluten-free?

Yes! Simply swap the all-purpose flour for a gluten-free flour blend that measures cup-for-cup. Make sure it includes xanthan gum to help maintain the texture of these fudgy brownies.

How do I know when the brownies are done baking?

Insert a toothpick about two-thirds into the brownies. You want it to come out mostly clean with a few moist crumbs attached — this means the brownies will be fudgy and soft rather than cakey or dry.

Can I double the recipe for a larger batch?

You can perfectly double this Coffee Brownies with Mocha Frosting Recipe. Use a larger pan, adjust the baking time slightly longer, and keep an eye on them during baking to ensure even doneness.

Final Thoughts

There’s something truly joyful about homemade brownies that combine the magic of rich chocolate with the warm, inviting flavor of coffee. This Coffee Brownies with Mocha Frosting Recipe is a guaranteed crowd-pleaser, effortlessly elevating a classic treat to something extraordinary. I encourage you to try it soon — it’s the perfect little indulgence to brighten your day or impress your friends and family with your baking prowess.

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