When listener Beth Caissie moved to San Francisco she'd heard of Ghirardelli Chocolate, but she was surprised there were so many other fabulous chocolate shops around. She wondered if the lineage stretches all the way back to the Gold Rush. It does! And because high quality chocolate was produced here, innovative chocolate makers from all over the world have put their own cultural twist on the sweet treat.

Additional Reading:

• From Ghirardelli to Socola: Unwrapping S.F's Chocolate History
• Why Burlingame Smells Like Chocolate
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This story was reported by Adhiti Bandlamudi. Bay Curious is made by Olivia Allen-Price, Amanda Font, Christopher Beale and Brendan Willard. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.