
Day trip · 8 hours
San Francisco: Napa and Sonoma Valley Wine Tour
Experience the fine wines and beautiful scenery of Napa and Sonoma on a guided day trip from San Francisco.
San Francisco sourdough is a tangy, open-crumb white loaf made with a wild starter unique to the city's foggy climate, used for sandwiches and as the base of cioppino bread bowls.
Where to eat it: 4 restaurants across 1 city.

French baker Isidore Boudin started Boudin Bakery in 1849 at the height of the Gold Rush, keeping a starter alive his descendants still use; a lactic acid bacterium isolated in the loaves was named Lactobacillus sanfranciscensis in 1971. The bread's sour profile comes from the local microbial mix, not the recipe. Acme Bread, founded 1983 across the bay in Berkeley, raised the city's bread standard a generation later; Tartine, founded by Chad Robertson and Elisabeth Prueitt on Guerrero Street in 2002, redefined what a country loaf could look like.
Tours, tastings and classes that match this page, bookable on GetYourGuide.

Day trip · 8 hours
Experience the fine wines and beautiful scenery of Napa and Sonoma on a guided day trip from San Francisco.

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Common allergens: Gluten
Tip from the editors. Without a starter aged in San Francisco, you cannot get the city's exact tang, but a 10-day-old white-flour starter run cool gets close.
Boudin Bakery in San Francisco is Isidore Boudin's 1849 Gold Rush bakery at Fisherman's Wharf, still running a starter through six generations of bakers.
Worth the queueClam chowder in a sourdough bowl
TipThe bakery's behind-glass museum at the Wharf is free; the clam chowder bowl is the canonical order.
Tartine Bakery in San Francisco is Chad Robertson and Elisabeth Prueitt's Guerrero Street original, redrawing what a country loaf and a morning bun.
Worth the queueMorning bun
TipCountry loaves come out at 16:30; queue from 16:00 to be sure of one.
Josey Baker Bread in San Francisco is the back-of-house bakery at The Mill on Divisadero, with stone-milled whole-grain loaves and the seedy Adventure Bread.
Worth the queueAdventure Bread (gluten free)
TipThe toast counter at The Mill uses these loaves; eat in once before you take a loaf home.
Jane the Bakery in San Francisco is Amanda Michael's Lower Pac Heights flagship, with a stone-mill grain programme and the city's best whole-grain country.
Worth the queueCountry grain loaf
TipThe cardamom morning bun is the dark-horse order; ask if they have any left after 11:00.
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