For Dripping:

Add cream and chopped chocolate in a glass bowl, now microwave it on 30 seconds interval for 1 to 1.30 minutes. One it's melted let it cool for 15 minutes. Now drip it on cakes.

For Icing:

Take one cup of chilled whipping cream, and beat it to stiff peaks, now add crushed oreo and fold it. Now keep it in the fridge for 10 mins, now use it to decorate cakes.