What is the secret ingredient in Krabby Patties?

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Tags

1. #formula
2. #hamburger
3. #poseidon
4. #patty
5. #sauce
6. #onions
7. #google
8. #secret
9. #mustard
10. #tomatoes
11. #tumeric
12. #barnacle
13. #shavings
14. #tartar
15. #lettuce
16. #consists
17. #cheese
18. #flour
19. #ketchup
20. #powder
21. #pinch
22. #neptune