Every quick-service joint having their own distinct fast food special sauce is a relatively new development -- but you could always count on finding ketchup and mustard packets at your nearby ...

Slice of Sauce presented a very unique condiment idea on Shark Tank. But did the investor sharks actually bite at the idea ...

Pile of condiment packets including ketchup, salt, and soy sauce, lie on a green background - Mark Weiss/Getty Images ...