Ancho means wide,its flat heart shaped creating one of the largest chiles,a dried poblano. It is sweet, with hints of raisin and plum.The ancho is one of the most commonly used chile peppers in mexico and is a basic ingredient in making many mexican style sauces.The ancho,along with the mulato and passila form the holy trinity of chiles are used to make traditional mexican mole sauces.The mulato and negro chile are varieties of the ancho.