What are «kitniyot» and can they be eaten on Passover? This article delves into the halachic debate regarding whether or not it is permissible to eat rice, millet, corn and legumes on Passover, summarizing the sources for both opinions from Talmudic times until today. It describes how this issue has become divisive, given the different traditions held by various communities, including Ashkenazi, Sephardic and Conservative Jews, and those in Israel and North America.