These Brownie Cookies with Rum Sugar are a delicious hybrid with a crispy crunchy outside with a gooey chocolate inside. They are a fun addition to any holiday cookie tray!
Whisk together the cocoa powder, powdered sugar, and salt.
Fold in the chocolate chunk pieces.
Break up the rum sugar with your clean hands or a large wooden spoon. Sprinkle with the rum sugar over the cookies and set aside to cool. Cookies will set as they cool.