This may be another situation in which background knowledge is important. Let's take another example besides food; say I'm learning to play the piano. Trying out several different methods could trip me up if one relies on solfège, one relies on note letter names, two use staff notation (one starting the introductory lesson in treble clef and one in bass), and one does everything by showing pictures of a pianist's hands on the keyboard. It would be important to know how all of those ways of representing notes correspond to each other, so they can be interpreted in whatever way is most accessible. That, however, is propositional knowledge, much easier to come by.