Cut about a half inch off the top of the apples. Remove the core from the apples using a melon baller or pairing knife. Be sure to leave about a half inch of flesh at the bottom so that the filling does not leak out.
Place cored apples and their tops in an 8 x 8 pan and place in oven. Bake for 30 minutes.
While the cored apples bake, prepare the filling. Combine Cheeseball Mix and cream cheese (reserving the topping for later).
Spoon the mixture into the cored apples and bake for another 5 minutes to allow the cream cheese to warm.
Sprinkle the topping packet onto the apples and replace the tops.