You're missing the point of teaching anything. Teaching is (literally) the act of grooming someone to be receptive to an idea. It's different from training, which is the act of coaching someone into doing something.
When the day comes where one of those fans does try to bake something, everything they saw on the show is going to resonate in a way it wouldn't for someone without the exposure.
I don't bake, but I now know two ways in which greasy meat leads to a soggy bottom.