Seaweed noodle stew is a food that only appears in the episode "Gary in Love."
It appears as a pile of chunks of dark green seaweed with noodles in it.
Role in episode
SpongeBob cooks this stew for Gary's dinner and says he made it with extra love. Gary starts seeing the plate of the noodle stew as Mary and starts kissing the food.
At the end of the episode, Mary's ex-boyfriend tells Gary he knows a place they could get some seaweed noodle stew.