Richard Hart is here with the hottest takes in bread baking and sourdough—why he doesn’t care about your old sourdough starter, what everyone gets wrong about rye bread, and why the bread in Paris is, well, lacking. Plus, antique bookseller Don Lindgren reveals the history of community cookbooks, J. Kenji López-Alt discovers the perfect way to cut an onion, and we make Turkish Crescent Cookies with Spiced Walnut Filling.