Crush cookies. Crush cookies in a ziplock bag until they are completely broken up. You should have some crumbs and some larger pieces.
Place the chocolate and 60g heavy cream in a bowl. Set over pot of simmering water and melt until smooth, stirring often. Set aside to cool to room temperature.
Beat remaining heavy cream to soft peaks. Gently fold the whipped cream into the chocolate in 2-3 additions, gently folding each addition in until no streaks of chocolate remain.
Layer the Oreo crumbs and chocolate into 4 glasses. Top with more whipped cream and a cookie
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