01 -
Preheat the oven to 350°F. Line a 9x13-inch baking pan with parchment paper or spray with non-stick cooking spray.
02 -
In a large mixing bowl, beat together the chocolate chip cookie mix, softened butter, and egg with a hand mixer until well combined.
03 -
Press the cookie dough into the bottom of the prepared pan in an even layer. Place the Oreos evenly over the top of the cookie dough.
04 -
Using a hand mixer, beat together the cream cheese, powdered sugar, and cornstarch in a large mixing bowl until light and fluffy. Mix in the sour cream until smooth. Add the eggs, one at a time, mixing until fully incorporated after each addition. Fold in ⅔ cup of chopped Oreos.
05 -
Spread the cheesecake mixture evenly over the Oreos in the pan. Sprinkle the remaining ⅔ cup of chopped Oreos over the top.
06 -
Place in the oven and bake for 35–40 minutes or until the cheesecake layer is just set and reaches around 150°F.
07 -
Remove the bars from the oven and place on a wire rack to cool to room temperature. Cover the pan with plastic wrap and refrigerate for at least 3 hours or until fully chilled.
08 -
When ready to serve, remove the bars from the pan, cut into squares, and serve drizzled with caramel sauce, if desired.