ingredients - that is the characters are not rich and developed as in a thick layer cake, but no, instead they're a bit nutty and there are bits of fruit thrown in. once the brain registers this concept, (this is not an angel food cake) - the "serious" factor moves out. the context changes to "not" serious and when your context moves away from taking it seriously - this leaves room for humor.
the bottom line is that if the characters and the story are removed from reality - everything you see and hear is written and presented as being over the top, humorous fashion, tongue in cheek - it is 