Sourdough & Co in Carlsbad brings the El Dorado Hills-founded franchise's San Francisco-style sourdough bread to 2588 El Camino Real, one of more than 59 California locations since the chain launched in 2016. Sandwiches are built on bread baked in-house and served warm, and the New England clam chowder in a sourdough bread bowl has become the menu's signature order—a soup-and-bread format that complements the brewery-and-sandwich pairing at Pizza Port Carlsbad in the Village area. The menu extends beyond sandwiches into flatbreads—including a mushroom version layering shiitake, cremini, and field mushrooms on a creamy white sauce with Swiss and Italian cheeses—plus mac and cheese, Cobb salads, and a Southwest chicken salad with black-bean corn salsa. Bread options include honey wheat, marble rye, and gluten-free wraps alongside the house sourdough, and customers can purchase par-baked loaves to finish at home. The El Camino Real corridor location serves the same North Carlsbad lunch traffic that fills the Carlsbad sushi counters at Blue Ocean Robata & Sushi Bar on Carlsbad Village Drive. The sourdough starter cultures at each location maintain a lactic-acid-to-acetic-acid ratio that produces the tangy, slightly chewy crumb and crackling crust associated with traditional San Francisco sourdough baking.