For the Rocky Road Christmas tree, finely crumble the cookies and melt the butter. Mix both together and chill.
Melt the chocolate over a water bath and allow to cool briefly. Roughly chop the macadamia nuts. Mix the marshmallows and the nuts into the chocolate.
Fill the chocolate mixture into a Birkmann full baking pan Tanne Tini (available e.g. at Slama, Leiner, Kika, etc.). Finally, spread the butter cookie mixture on top.
Cover with aluminum foil and refrigerate for a few hours.
Then open the mold and remove the tree. You can now decorate it with dark and / or white chocolate coating. Cut open, this Rocky Road Christmas tree is a real eye-catcher!