NYC's maple syrup smell mystery solved FEB 05 2009
Mayor Bloomberg held a press conference today to address the mysterious maple syrup smell sporadically experienced by New Yorkers since 2005. The cause? Fenugreek seeds.
The source of the odor was a plant in North Bergen, N.J., which processes seeds of the herb fenugreek to produce fragrances.
Update: Gothamist has more details.