I don’t know if this was meant to be funny, but Alfred and Batman sharing ice cream cones while seriously discussing the latest case cracks me up:
(From Batman: The Dark Knight (2011) #4)
This, though, is hilarious. I have to believe it’s been posted in this thread before, but I don’t quite feel like scrolling back through hundreds of posts to check:
(From Batman: The Dark Knight (2011) #17)
And for those that haven’t by clicking the link above it will take you there.
Also from #1.