Pasilla (pronounced pah-SEE-yah; literally `little raisin`) refers to more than one variety of chili pepper in the species Capsicum annuum. A true pasilla is the dried form of the long and narrow chilaca pepper. In the United States, though, producers and grocers often incorrectly use `pasilla` to describe the poblano, a different, wider varie... Found on http://en.wikipedia.org/wiki/Pasilla