Another strange interaction between Harvey and the portly store owner

Harvey: Do you carry chocolate milk?
Miranda: Yeah, it's right beside the regular milk.
Harvey: What do you mean by "regular" milk?  Are you saying that chocolate milk is not "regular" just because it's not white?  And I suppose you feel the same way about people.
Miranda: That's right.
Harvey:  That's racist!
Miranda: I know.
Harvey:
Miranda:
Harvey: This isn't fun when you aren't denying it.
Miranda: Anything else?
Harvey: A bag of brown rice and this box of facial tissues.