Chop Oreos. Finely chop the Oreos to prevent clogging the piping nozzle.
6 Oreo cookies
Whip Cream. In a cold bowl, whip cold heavy cream with powdered sugar and vanilla on medium speed until it doubles in volume. Stop before reaching soft peaks.
1/2 cup heavy cream, 3 tablespoons powdered sugar, 1/2 teaspoon vanilla extract
Add Mascarpone. Mix in mascarpone cheese and whip until the frosting is firm and smooth. Stop if it starts to become grainy.
4 oz mascarpone cheese
Fold Oreos. Gently fold chopped Oreos into the cream mixture with a spatula to maintain the frosting’s texture.