2 oz,16 oz,6 oz The pasilla chili or chile negro powder is from the dried Chilaca pepper, named for its dark, wrinkled skin.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.