Two Oakland ice cream makers claim they invented the famous flavor — Fenton's Creamery and Dreyer's Grand Ice Cream. Either way, the depression-era creation changed the game for ice cream flavors in America.

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Reported by Sasha Khokha, host of The California Report Magazine. Edited by Suzie Racho. Bay Curious is made by Olivia Allen-Price, Jessica Placzek and Katie McMurran. Additional support from Paul Lancour, Suzie Racho, Julie Caine, Kyana Moghadam, Carly Severn, Vinnee Tong, Ethan Lindsey and Pat Yollin.