First prepare the box brownies according to package instructions. Also mix-in some crushed oreos in it then pour the batter in round greased pan.
Bake the brownie batter for about 30 minutes at 180 °C.
Once it's baked, let it cool for couple of hours.
In a small bowl, add cream cheese, sugar and vanilla extract, beat until smooth.
Now spread your cream cheese mixture on top of the brownies and decorate with mini oreos.
In a small bowl melt chocolate chips, add water and mix well. Then drizzle over the topping.
Refrigerate for couple of hours and enjoy!