Line a 8x8-inch baking dish with parchment paper.

Combine butter, cream cheese, and Swerve with an electric mixer.

Scoop out 1 cup of cream cheese mixture and put it in a small bowl.

Add cocoa powder and mix well.

Add cold brew coffee to the remaining mixture. Mix until smooth.

Pour the cocoa mixture into the bottom of the baking dish and spread evenly.

Pour the coffee mixture on top of the cocoa mixture.

Freeze for 4 hours

Cut into 16 squares and serve. Store in an airtight container in the refrigerator.