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For cooking and recipes, no, corn starch does not have leavening. To make it rise, you'll need to add a leavener, like baking soda, baking powder, or yeast. However, Orthodox and Conservative Jews do consider corn starch a leavened food product for religious purposes, making it unsuitable for use during Passover.________

Corn starch isn't used by Ashkenazi Jews because it is a corn product and corn is not eaten during Pesach. This isn't an issue for most Sephardi Jews who will eat corn during Pesach.

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14y ago

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