Cookies have come in wide varieties and had different appearances over the years, but they are primarily light brown circular cookies with chocolate chips baked into them. A common drink to dip them in is milk.
Role in series
Patchy is seen eating unbaked cookie dough.
In SpongeBob's dream, the talking Krabby Patty serves him a cookie pizza and a glass of chocolate milk.
Granny serves a tray of heart-shaped cookies for Gary to eat. Later, SpongeBob serves Patrick some kelp cookies and seahorse milk, although only the latter is shown.
During a series of fulfilling his many requests, Mr. Krabs is forced by Squidward to give him a plate of cookies, which he does, but Squidward criticizes them for tasting nothing like his mother made them. This prompts Mr. Krabs and SpongeBob to go to Mrs. Tentacles' house and try to get her to make her homemade cookies.
They are successful in doing so and deliver them to Squidward, who actually appreciates them this time for being just like how his mother used to make them.
Grandma SquarePants makes gingerbread cookies.
Plankton, disguised as a Sweetie Patrol girl, attempts to sell Sweetie Patrol Cookies to Gary in an attempt to obtain the Krabby Patty secret formula. He wants to hide them in a "secret spot" but Gary does not fall for it and moves the couch with Plankton on it outside.
Plankton is upset that his plan failed and throws the cookies on the ground, causing an explosion. It is at that moment revealed that Plankton used nitroglycerin as a substitute for vanilla extract.
Helen the Felon is arrested for selling cookies without a license.
- Fortune cookies, a Chinese variety of regular cookies with a fortune inside, are a major plot point of the episode "Lame and Fortune."