7Melt the chocolate bar in a small bowl over hot water.
8Add a spoonful of whipped cream to the melted chocolate.
9Mix until well combined.
10Add some of the mashed chocolate cake to a small bowl.
11Add a spoonful of Oreo cream to the mashed cake.
12Mix it until well combined.
13Add a spoonful of the whipped cream to the chocolate cake mixture.
14Add some crushed Oreos to the mixture.
15Add a spoonful of whipped cream to the mixture.
16Add some melted chocolate to the mixture.
17Add a spoonful of the chocolate cake mixture to the bowl.
18Layer the ingredients in plastic cups: mashed chocolate cake, whipped cream, crushed Oreos, chocolate cake mixture, melted chocolate, and finish with crushed Oreos on top.