Preheat oven to 350 degrees
In a large bowl - mix the brownie mix, oil, water, and eggs
Pour the brownie mixture into a prepared (greased) pan
In a small bowl, mix the cream cheese, butter, sugar, egg, flour, and vanilla
Drop by spoonfuls onto the brownie mixture
Using a toothpick, create beautiful patterns on the top of the brownies
Pull the toothpick back and forth in a Z pattern
Turn the dish, and repeat the Z pattern going the opposite way
Bake for about 30 minutes
Cool, and cut into bars