1 oz,16 oz,3 oz The pasilla chili or chile negro is the dried form of the long and narrow Chilaca pepper, named for its dark, wrinkled skin. It turns from dark green to dark brown when fully mature. It is a mild to medium-hot, and the taste is pungent and tangy but with a long lasting deep rich flavor of berry-raisin-cocoa overtones. The Pasilla pepper has a Scoville Heat Unit rating between 1,000 to 2,000, and at 3-5 heat level, on a scale of 10.br