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.

More food history episodes:

Dutch Crunch

Mai Tai

Green Goddess Salad Dressing

It's It Ice Cream Sandwiches

Sourdough

Irish Coffee

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.