Krabby Patties are a fictional food from SpongeBob SquarePants. Specifically, a Krabby Patty is a sandwich resembling a hamburger sold at the Krusty Krab restaurant. The Krabby Patty recipe is kept completely secret. Plankton repeatedly tries to steal the secret formula, but never succeeds, except in The SpongeBob SquarePants Movie. The ingredients used to make the Krabby Patty are mentioned in Plankton! - bun, patty, cheese, ketchup, mayonnaise, mustard, pickles, lettuce, onions, tomatoes and top bun.
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