Crush the Oreo into crumbs, then mix with melted butter. Place it in a tart tin, press it. Let it chill in fridge for 30 minutes.

Place heavy cream/whipping cream in a saucepan, cook under medium low heat until there are bubbles at the edge. Remove from heat (Remember do not boil the cream)

Pour the cream into the chocolate, let it set for 3 minutes, then mix well.

Pour the chocolate into the tin, add some decoration, then chill in fridge until it set. Enjoy!