01 -
Preheat oven to 175°C. Grease or line a 33×23 cm baking pan with parchment paper.
02 -
In a large mixing bowl, combine brownie mix, eggs, oil, brewed coffee, and sour cream. Mix until just combined, then fold in chocolate chips. Pour batter into prepared pan, spreading evenly.
03 -
Bake for 28 to 30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs. Allow to cool completely.
04 -
Beat softened butter in a medium bowl until light and fluffy. Add brewed coffee, then gradually mix in powdered sugar and salt until smooth and creamy.
05 -
Spread coffee cream frosting evenly over cooled brownies. Refrigerate for 20 to 30 minutes to set.
06 -
In a microwave-safe bowl, heat chocolate chips and heavy cream in 20-second intervals, stirring well between each, until smooth and glossy. Let cool slightly.
07 -
Pour ganache over chilled frosting and spread to an even layer. Refrigerate for 30 minutes or until fully set.
08 -
Slice into squares. For clean edges, wipe the knife between cuts before serving.