Scrape oreos (trust me don't be lazy you will regret it🤮) using your food processor, grind oreos, zest, sugar really fine. Add butter and pulse until its crumbly. Using a tablespoon scoop into silicone molds and using a circular motion to get fully incorporated. Bake at 350 for 8 minutes. Lower oven temperature to 315 degrees

Using the paddle attachment, cream the heavy cream and cream cheese until its whipping together smoothly. Lower the speed and add the sugar and cornstarch. Scrape. Add eggs one at a time and vanilla. Scrape and mix. Add lemon zest, extract. Scrape and taste.
Add your rinsed blueberries to your food processor and pulse until they are chunky. Add your blueberries to the cheesecake batter and mix until well incorporated scraping the bottom. Taste.