Make the brownie mix according to the package for cake like brownie and put into a very well sprayed cake pan and cook according to the package. While it is cooking you can mix the cream cheese, whip cream and sugar together using a mixer. Make sure it is mixed well and there are not any clumps of the cream cheese. When the brownie is done take it out and let it cool completely. Once the brownie is completely cooled, spread the cream cheese and whip cream mixture over it.
Top with which ever filling you choose and you are ready to dig in!