Holographic meatloaf is a "food" that only appears in the episode "The Algae's Always Greener."
The meatloaf is light brown and is live-action. The meatloaf is also see-through, as would be expected from a hologram.
Role in series
The meatloaf appears when Plankton complains of his living conditions, as because his restaraunt doesn't make any money due to no customers, he can't even afford real food. At the end of the episode from when Plankton returned from the alternate universe where he the owner of the Krusty Krab, he happily eats the meatloaf.