1-First Step: Prepare oven and pan Preheat your oven to 350°F (175°C). Line an 8- or 9-inch square baking pan with parchment paper or lightly grease it to prevent sticking. This will make it easier to remove the bars after baking.

2-Second Step: Press cookie dough for crust Take about half of the refrigerated chocolate chip cookie dough and press it evenly into the bottom of the prepared pan using floured fingers or a spatula. This forms a sturdy crust base for the cheesecake.

3-Third Step: Make cheesecake filling In a mixing bowl, beat the softened cream cheese until smooth and creamy. Add granulated sugar and continue beating until well combined. Add the egg and optional vanilla extract, mixing gently until the batter is smooth and free of lumps. If using shredded coconut, fold it evenly into the mixture now.

4-Fourth Step: Spread cheesecake filling Pour the cream cheese mixture evenly over the pressed cookie dough crust. Use a spatula to smooth the surface, ensuring even baking and consistent texture.

5-Fifth Step: Add cookie dough topping Crumble the remaining cookie dough evenly over the cheesecake layer. The topping will bake into a slightly crisp chocolate chip cookie crust, complimenting the creamy filling beneath.

6-Sixth Step: Bake the bars Bake in the preheated oven for 35 to 40 minutes until the topping turns golden brown and the cheesecake feels firm but still slightly soft when gently pressed. Avoid overbaking to prevent dryness.

7-Seventh Step: Cool and chill Remove the pan from the oven and let it cool for about 30 minutes at room temperature. Then refrigerate for at least 2 hours or ideally overnight to help the cheesecake layer set and develop creamy texture.

8-Final Step: Slice and serve Cut the chilled bars into 16 squares using a sharp knife. For clean slices, wipe the knife between cuts and chill the bars thoroughly before cutting. Serve refrigerated for best texture and flavor.