The Mexican sweet bread shaped like a conch shell is a concha.
A concha is a round Mexican pan dulce made from a soft, enriched yeast dough covered with a crisp, sugary topping. Bakers score the topping with curved lines, creating the shell-like pattern that gives the bread its name: concha means “shell” in Spanish. Vanilla and chocolate toppings are especially common, though modern bakeries offer many variations.
The bread’s exact origin is uncertain, but its development is often connected with European wheat-baking traditions introduced during the colonial period. French-style enriched breads such as brioche may have influenced the dough. A recorded concha recipe dates to 1820, and the pastry has since become a familiar staple in Mexican panaderías.
Conchas are commonly eaten for breakfast or as a snack with coffee, hot chocolate, or milk. They are not the same as cuernitos, which are usually crescent-shaped, or bolillos and teleras, which are savory-style breads. The shell pattern is decorative, but it also makes the concha instantly identifiable.