Instructions
- Preheat the oven to 500°.
- Spread the guajillo, pasilla, and ancho chiles on a baking sheet an dput in the oven. Cook fo 2 minutes, or until they are fragrant. Take the pan out of the oven (leave the oven on), transfer the chilies to a large bowl or pot, and pour in enough water to cover them. Let the chiles soak until they are soft, about 45 minutes.