Prepare the crust by pulsing Oreos in a food processor until fine crumbs form. Then add the crumbs to a bowl with granulated sugar and melted butter, stir together. Add the crust mixture to each well of a muffin tin that’s lined with liners.Press the mixture down gently to create the cheesecake crust.
Bake them and then turn the oven off. Then prop the oven door open and allow the cheesecakes to cool in the oven. Transer the pan from the oven to a wire rack to continue cooling. Afterward, place them in the refrigerator to chill. Remove them from the refrigerator and take off the muffin liners.