A small, pointed chile (about 1 1/2 inches long), the serrano is very hot. As it matures, it turns from bright green to scarlet red, then yellow.

Recipes:
Chile-Rubbed Grilled-Scallop Salad
Tacos de Bistec con Chiles Torreados (Seared Steak Tacos with Blistered Serranos and Browned Onions)