01 -
Preheat the oven to 350°F and lightly grease a 9x13-inch baking dish with baking spray.
02 -
In a medium-sized mixing bowl, combine the strawberry cake mix, egg, melted butter, and heavy cream until smooth and combined.
03 -
Fold in the white chocolate chips and spread the mixture into an even layer in the prepared baking pan.
04 -
Bake for 18-23 minutes or until a toothpick inserted in the center comes out clean and the edges are golden brown. Allow to cool to room temperature.
05 -
In a large mixing bowl, beat the cream cheese and powdered sugar with a hand or stand mixer until smooth and fluffy.
06 -
Beat in the sour cream and vanilla extract until combined. Lightly fold in the whipped topping.
07 -
Spread the frosting mixture evenly over the cooled brownies.
08 -
Place the vanilla sandwich cookies in a food processor and pulse until roughly crumbled. Add strawberry syrup and pulse until evenly coated.
09 -
Sprinkle the cookie mixture over the frosted brownies. Cut into squares and serve, or chill until ready to serve.