The Krabby Patty Secret Formula

The Krabby Patty Secret Formula is the biggest secret in all of SpongeBob. In the fanon series, however, it is finally revealed in its full glory in episode 1002.

Formula:
 * Two sesame seed buns
 * Pickles
 * Pure tomato ketchup
 * American sea cheese
 * Sliced onions
 * Mayonnaise
 * Mustard
 * Krabby Patty with secret sauce made of:
 * Crab meat
 * Mild hot sauce
 * Drug-free seaweed (Originally not drug-free)

Trivia

 * After the episode "The Reveal, Part 2", Mr. Krabs had to make the seaweed in the patties drug-free.