Baguettes are a type of bread that only appear in the episode "Growth Spout."
The baguettes in the series look similar to the real-life version: long loaves of thin bread. They are stored in one large crate.
Role in episode
When Mr. Krabs is looking for more food to feed Pearl, he stumbles upon Squidward's house and enters. He finds a crate of baguettes and takes them to bring back to Pearl, along with other food from the inside of Squidward's house.