The Cookbook is a book that only appears in the episode "Sandy's Nutmare."
The Cookbook has a red and white checkerboard design on it with an image of an acorn on the cover. The word "Cookbook" is written on the spine.
Role in episode
uses the Cookbook
to find something to make out of all of the acorns in her treedome
. Some of the choices include Aged Nut Brie
and Ghost Nut Chili
, but she decides to make Nutty Butter