Normally I purchase salsa verde, the Mexican condiment that's made from tomatillos, but sometimes it's nice to make it from scratch. Like most salsa, it requires a food processor or blender for pureeing. This one gets its reddish-green color from the tomatillos, green chiles, and chipotle chilies in adobo. The ingredients are broiled in the oven before being blended, so the salsa has a nice depth of flavor. The chipotles give the salsa the perfect amount of heat. To learn how it's done, keep reading.