Pour the chocolate and cream mixture over the last layer of cookies, spreading it evenly with a spatula.
Decorate:
Sprinkle cocoa powder or add chocolate chips to decorate the surface of the cake.
Step 5: Refrigerate
Rest in the refrigerator:
Place the cake in the refrigerator and let it rest for at least 4 hours. For best results, refrigerate overnight.
Step 6: Serve
Unmold and cut:
Before serving, carefully unmold and cut into individual portions.