1. In a bowl, place the chopped dark chocolate and melt it using a double boiler or microwave. If using a microwave, heat it in intervals of 30 seconds to prevent burning, stirring in between.
2. Add the milk cream to the melted chocolate and mix thoroughly until a glossy ganache is obtained.

Assembly:

1. Cover the prepared cream with the chocolate ganache, spreading it evenly over the surface.
2. Place the dessert in the refrigerator for at least 1 hour to allow it to set and thicken.
3. Once the time is up, remove the dessert from the fridge.
4. Serve the chilled dessert and relish the delightful flavors of this fail-safe treat!

Prepare to bask in the satisfaction of creating a dessert masterpiece that is sure to impress everyone at the table. With its foolproof nature and irresistible taste, this dessert promises to become a weekend favorite for years to come.