Prepare the Crust:

• Preheat oven to 325°F (163°C).

• Line an 8×8-inch baking pan with parchment paper.

• In a bowl, mix crushed Oreos with melted butter.

• Press the mixture firmly into the bottom of the pan.

• Bake for 8 minutes, then let cool.

Make the Cheesecake Filling:

• In a large bowl, beat cream cheese, sugar, and vanilla until smooth.

• Add eggs one at a time, mixing after each addition.

• Stir in sour cream and chopped Oreos.

Bake the Cheesecake:

• Pour the filling over the cooled crust and spread evenly.

• Bake for 35-40 minutes, until the center is set.

• Let cool completely, then refrigerate for at least 3 hours.

Slice & Serve:

• Lift the cheesecake out using the parchment paper.

• Cut into bars and enjoy!