The true solution is revealed in the nice lady who says that some bakeries have noted some demand for this healthier fare.
So then why do we not simply allow the market to work? If there is demand for healthier fare, bakeries will take advantage of that demand and work to supply product to meet the demand.
No fines or fees or arm-twisting needed.
No, it is just so obvious that the real reason the city of New York has made this a legal issue is that there are people who believe they know best how we ought to live. And they view themselves are caretakers of the general populace, protecting the idiot rest of us from our own carnal desires. These kinds of people tend to congregate in government, and they find each other.
For their own good, we should outlaw them.