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

Those packets of ketchup and mustard that you get at drive-thrus are fussy, hard to open, and the product inside never seems to cover the sandwich evenly. Plus, you do actually need to refrigerate ...

The sticky fingers, ketchup-splattered shirts, and misapplication of mustard — missing its mark ... thinking condiment packets aren't a frontier worth conquering. Well, that sentiment wasn ...