The pasilla chile or chile negro is the dried form of the chilaca chili pepper, a long and narrow member of species Capsicum annuum. The fresh narrow chilaca can measure up to 9.0 in (22 cm) long and often has a twisted shape, which is seldom apparent after drying. It turns from dark green to dark brown when fully mature. Pasilla are used especially in sauces. They are often combined with fruits and are excellent served with duck, seafood, lamb, mushrooms, garlic, fennel, honey, or oregano.They are sold whole or powdered in Mexico, Pasilla de Oaxaca is a variety of pasilla chile from Oaxaca used in mole negro.