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Close-up of a rich, fudgy brownie topped with a thick layer of swirled chocolate fudge frosting.

Chocolate Fudge Brownie Frosting

This rich and creamy chocolate fudge brownie frosting is silky, glossy, and perfect for spreading over brownies. Made with cocoa powder and melted dark chocolate, it delivers an intense chocolate flavor with a smooth, bakery-style finish.
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Prep Time 10 minutes
Cook Time 0 minutes
Total Time 10 minutes
Servings: 12 servings
Course: Frosting
Cuisine: American
Calories: 180
Ingredients Equipment Method Notes

Ingredients
  

  • 1/2 cup unsalted butter softened
  • 1/3 cup unsweetened cocoa powder
  • 2 1/2 cups powdered sugar
  • 1/3 cup heavy cream or whole milk
  • 1 teaspoon pure vanilla extract
  • 1/4 teaspoon fine salt
  • 1/4 cup dark chocolate chips melted and slightly cooled

Equipment

  • Large Mixing Bowl
  • Hand mixer or stand mixer
  • Offset spatula

Method
 

  1. In a large mixing bowl, beat the softened butter with a hand mixer or stand mixer on medium speed until smooth and creamy, about 2-3 minutes.
  2. Sift in the unsweetened cocoa powder to prevent lumps, then mix on low speed until fully incorporated into the butter.
  3. Gradually add the powdered sugar, one cup at a time, alternating with small splashes of heavy cream. Beat on low speed after each addition to avoid a sugar cloud.
  4. Pour in the vanilla extract and add the fine salt. Continue beating on medium speed until the frosting becomes light and fluffy.
  5. Slowly drizzle in the melted dark chocolate while mixing on low speed, then increase to medium speed and beat for another 1-2 minutes until silky and glossy.
  6. If the frosting is too thick, add a teaspoon of cream at a time until you reach a smooth, spreadable consistency. If too thin, add a little more powdered sugar.
  7. Spread generously over completely cooled brownies using an offset spatula for a smooth finish, or swirl decoratively for a rich, bakery-style look. Let it set for 15-20 minutes before slicing for clean edges.

Notes

This frosting spreads best on fully cooled brownies. For a thicker, more fudge-like texture, chill briefly before spreading.