Yes! Once thoroughly cooled and refrigerated for three hours, individually wrap them in plastic wrap, transfer them to a ziplock bag, and lay them flat in the freezer. Once frozen, they will keep for up to three months. Remove the mini Oreo bites from the freezer and let thaw at room temperature for 30 minutes to an hour when ready to serve. Freezing mini cheesecakes ahead of time makes this recipe ideal for entertaining.