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Homemade Frosted Coffee Brownies stacked on parchment paper, showing a dense, fudgy chocolate base and thick, creamy coffee buttercream frosting on top, with soft texture and natural crumbs visible, set on a wooden board for a cozy, real kitchen look.

Frosted Coffee Brownies

5 from 1 vote
These indulgent Frosted Coffee Brownies combine deep chocolate flavor with a hint of espresso for the ultimate fudgy dessert. Topped with silky coffee buttercream frosting, they’re rich, balanced, and guaranteed to impress—perfect for coffee lovers and chocoholics alike.
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Prep Time 20 minutes
Cook Time 30 minutes
Cooling Time 30 minutes
Total Time 1 hour 20 minutes
Servings: 16 brownies
Course: Dessert
Cuisine: American
Calories: 365
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Brownie Base
  • 1 cup Unsalted butter - Melted
  • 1 cup Semi-sweet chocolate chips - Or chopped chocolate
  • ¾ cup Granulated sugar
  • ¾ cup Brown sugar - Light or dark
  • 3 large Eggs - Room temperature
  • 1 teaspoon Vanilla extract
  • 1 tablespoon Instant espresso powder - Dissolved in coffee
  • ¼ cup Brewed coffee - Cooled
  • 1 cup All-purpose flour
  • ½ cup Dutch-process cocoa powder - For rich flavor
  • ½ teaspoon Salt
  • ½ teaspoon Baking powder - Optional for slight lift
For the Coffee Frosting
  • 1 cup Unsalted butter - Room temperature
  • 2½ cups Powdered sugar - Sifted
  • 2 tablespoon Heavy cream - Adjust for consistency
  • 1 teaspoon Instant espresso powder - Dissolved in 1 tablespoon hot water
  • 1 teaspoon Vanilla extract
  • 1 pinch Salt - Balances sweetness

Equipment

  • 1 9x13 inch metal baking pan (Line with parchment for easy removal)
  • 1 Parchment paper (Prevents sticking and aids in lifting)
  • 1 Electric mixer (For beating frosting until fluffy)
  • 1 Mixing bowls (For beating frosting until fluffy)
  • 1 Offset spatula (For smooth, even frosting)
  • 1 Sharp knife (For clean brownie squares)

Method
 

  1. Melt butter and chocolate until smooth, stir in sugars, then whisk in eggs, espresso, coffee, and vanilla. Fold in dry ingredients just until combined for a glossy, fudgy batter.
  2. Spread batter into a prepared 9x13-inch pan and bake at 350°F (175°C) for 25–30 minutes, until the center jiggles slightly and a toothpick shows moist crumbs.
  3. Let brownies cool fully in the pan before frosting to ensure clean layers and prevent melting.
  4. Beat butter until fluffy, then gradually add powdered sugar, cream, and espresso until frosting is light and spreadable.
  5. Spread frosting evenly over cooled brownies, chill to set, cut into squares, and serve at room temperature with optional garnish.

Nutrition

Serving: 80gCalories: 365kcalCarbohydrates: 42gProtein: 4gFat: 21gSaturated Fat: 13gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 90mgSodium: 150mgPotassium: 180mgFiber: 2gSugar: 33gVitamin A: 620IUCalcium: 30mgIron: 2.2mg

Notes

Nutrition information is automatically calculated and should be considered an approximation. Actual values may vary based on specific ingredients used and portion sizes

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