01 -
Preheat the oven to 350°F (175°C). Spray a 9 x 13-inch baking dish with baking spray and line it with parchment paper for easy removal.
02 -
In a medium bowl, mix the yellow cake mix, melted butter, and egg until well combined. Fold in the mini chocolate chips.
03 -
Press the mixture evenly into the base of the prepared baking dish. Ensure an even layer, as it can be slightly tricky.
04 -
In a large bowl, beat the cream cheese until smooth. Add eggs and vanilla extract, then mix until fully combined.
05 -
Gradually add powdered sugar to the cream cheese mixture and mix until smooth.
06 -
Add blue food coloring to the cream cheese mixture until the desired shade is reached. Fold in crushed chocolate chip cookies and mini chocolate chips.
07 -
Pour the blue gooey layer over the crust and spread evenly. Sprinkle the crushed Oreos and additional crushed chocolate chip cookies on top.
08 -
Bake in the preheated oven for 40-45 minutes. The center should remain slightly jiggly but set around the edges to maintain a gooey texture.
09 -
Remove the pan from the oven and let the cake cool completely. For best texture, refrigerate overnight before slicing.
10 -
Slice the chilled cake into squares or rectangles and serve. Enjoy at room temperature or cold.