After the Friday night Hanukkah service, Rabbi Goodstein invited everyone into the synagogue’s small cafeteria, where, at the entrance, two members invited attendees to vote on their favorite latke condiment: sour cream or applesauce.

Source: https://alaskapublic.org/2023/12/14/anchorages-local-hanukkah-gatherings-shine-light-on-tradition-and-food/

But all latke recipes need a binder to hold the egg and potato together, and while some use flour, others call for matzo meal, even outside of Passover, and it easily replaces flour or potato starch.

Source: https://www.eater.com/23664920/matzo-passover-seder-tradition-how-to-eat