“Concha” is the Spanish word for “seashell.” One look at this shell-shaped bread and you’ll see why. They’re made in various sizes and colors, from a small cookie-size portion to a large, impressive ...

When pastry chef Chris Martin set out to make conchas — a Mexican pastry with a brioche-like dough and crispy top — she made 14 versions before nailing the textural contrast of the ones she grew up ...