Add the Oreo cookies to a blender or food processor and blend until you get fine crumbs.
In a microwave-safe bowl, combine the white chocolate and cream. Microwave for 30 seconds, then stir until fully melted and smooth.
Pour the chocolate mixture over the crushed Oreos and blend to combine. The mixture should be a bit runny and grainy.
Add the cold butter and blend again until the mixture turns into a smooth cream. This usually takes 30 to 60 seconds, depending on your blender.Keep the mixture in the blender and refrigerate for 30 to 45 minutes.
Once chilled, pulse the mixture a few times (I did about 6) until it becomes fluffy and buttery in texture. That’s when it’s ready.
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Notes
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