Kelp Cream (or Kelp Sauce) is a type of whipped cream that Patrick eats in the episode "SpongeHenge."
Kelp Cream looks like whipped cream and comes in a bottle that resembles those of the aforementioned dairy product. but it is light green. Patrick seems to be fond of it.
It may possibly taste like regular whipped cream or it could be kelp flavored.
Role in the episode
Patrick eats it when he watches TV. When the news comes on, he throws the Kelp Cream at the TV before SpongeBob comes in, wanting to hide from the Jellyfish who want to listen to the music that his pores made.