For any cheesecake recipe, I’d recommend using a food processor to blitz the biscuits. If you don’t have a food processor and don’t want to invest in one, there are a couple of other options: Use a pestle and mortar The old fashioned way to create those biscuit base crumbs is to use a pestle and mortar. It’s a bit of a slow laborious process, as you’ll need to crush up the biscuits in batches.  Use a bag and rolling pin The best way to crush your cheesecake crumbs when you don’t have a food processor is to use a food bag and a rolling pin. Simply place your Oreos in the bag and give them a good old bash with the rolling pin. Quick, easy and incredibly satisfying! Especially if you’ve had a rough day!