Preheat oven to 350 degrees F. Line a jumbo muffin pan with 6 liners or a regular cupcake pan with 12 liners.
In a food processor, pulse the Oreo cookies into fine crumbs. Alternatively, place cookies in a zip-top bag and crush them with a rolling pin.
In a small bowl, mix the cookie crumbs with the melted butter until combined.
Divide the crust mixture evenly between the liners. Press the crumbs down firmly using the back of a tablespoon or a small glass.
Bake for 5 minutes. Set aside to cool slightly.
Prepare the Cheesecake Filling
Break 6 ounces of semi-sweet chocolate into pieces and microwave in 30-second intervals until melted and smooth.
In a medium mixing bowl, beat the cream cheese, melted chocolate, and sugar together until smooth and creamy.
Mix in the Greek yogurt, cornstarch, and vanilla extract until well combined.
Add the eggs one at a time, mixing on low speed after each addition. Scrape down the sides of the bowl as needed. Do not overmix.
Evenly divide the cheesecake batter over the crusts, using an ice cream scoop if desired.
Bake and Chill
Bake jumbo muffin-sized cheesecakes for 30-35 minutes, or regular cupcakes for 18-22 minutes. The tops should look set but still jiggle slightly in the center.
Remove from the oven and cool on a wire rack for 20 minutes. Then refrigerate for at least 40 minutes until fully chilled.
Make the Chocolate Ganache
Melt 6 ounces of semi-sweet chocolate in the microwave, then stir in the heavy cream until smooth and glossy.
Pour a little more than half of the ganache over the chilled cheesecakes. Reserve the remaining ganache for drizzling. Refrigerate the cheesecakes until the ganache sets.
Make the Chocolate Whipped Cream
In a large mixing bowl, whip the heavy whipping cream on high speed for about 2 minutes until stiff peaks form.
Add the powdered sugar and cocoa powder. Mix for about 30 seconds until fully combined.
Assemble
Pipe the chocolate whipped cream onto the ganache-topped cheesecakes.
Drizzle with the reserved chocolate ganache.
Decorate as desired and enjoy!
Notes
🥡 STORAGE
Store the cheesecakes in an airtight container in the refrigerator for up to 5 days.
Avoid strong-smelling foods to preserve the best flavor.
♨️ REHEATING
Do not reheat. These are best served chilled.
Let sit at room temperature for 10-15 minutes if you prefer a softer texture.
❄️ FREEZING
Freeze unfrosted cheesecakes on a baking sheet until solid, then transfer to a freezer-safe container. Freeze for up to 2 months.
Thaw overnight in the refrigerator. Add whipped cream and toppings just before serving.
💡 TIPS FOR BEST RESULTS
Use room temperature ingredients for a smoother filling.
Do not overmix after adding the eggs to avoid cracks.
Cool completely before chilling to prevent condensation.
Chill thoroughly for the best texture and flavor.
🍳 ALTERNATE COOKING METHODS
The oven is the best and only recommended method for this recipe.
Air fryer, microwave, or stovetop methods are not suitable for achieving the desired cheesecake texture and baking results.
♻️ LEFTOVERS
Store leftovers in the fridge and enjoy within 5 days.
Freeze leftovers unfrosted and add toppings fresh before serving.