Chicken Soup for the Trilobite's Soul, a tender collection of musings on what we might be eating for dinner 540 million years from now, when the animals and plants we use for food have either gone extinct or have evolved beyond recognition.

Also (because I refuse to play against type!):

Chicken Soup for the Slasher's Soul, a tender collection of stories where every protagonist drinks a deus ex machina magical chicken soup which causes them to come down suddenly with the urge to have copious buttsex with their greatest nemesis.