Mole comes from molli, the Nahuatl word for “sauce.” Many used to think the word was derived from the Spanish verb moler, or “to grind.” Both, however, are accurate: Moles are as variable as the word “sauce” suggests, and are made from ground or pureed chiles, vegetables, spices, nuts, and, occasionally, chocolate. Serve this red mole with chicken, turkey, or pork. Leftover sauce can be frozen, but to regain the smooth texture, you may need to puree it in a blender before reheating it.
Heat in a medium heavy skillet or griddle (preferably cast iron), over medium heat:
Roast, turning occasionally, until soft and charred on all sides, about 15 minutes. Let cool, then peel. Meanwhile, remove the stems and seeds from:
Tear the chiles into flat pieces. Lightly toast the chiles in the hot skillet, pressing them flat with a metal spatula, for about 10 seconds on each side (you may also toast them in the oven). Transfer to a bowl, add hot water to cover, and submerge them with a plate. Let soak for 30 minutes. Drain the chiles and place in a blender along with the garlic. Add:
Blend the mixture until smooth, then press it through a medium-mesh sieve into a bowl and set aside. Heat in a Dutch oven over medium heat until hot:
Add and cook, stirring constantly, until lightly toasted, about 3 minutes:
With a slotted spoon, transfer the almonds to the blender. Add to the hot oil remaining in the pot:
Cook, stirring occasionally, until nicely browned, about 8 minutes. With the slotted spoon, transfer the onion to the blender. Add to the hot pot:
Cook, stirring constantly, until puffed, about 30 seconds. Scoop the raisins into the blender. Add to the blender:
Blend until very smooth. Heat in the Dutch oven over medium heat until hot:
Add the reserved ancho mixture and cook, stirring, until it darkens and becomes very thick, about 5 minutes. Stir in the almond mixture and cook until very thick, about 5 minutes. Stir in:
Bring to a boil, then reduce the heat to low, partially cover, and simmer, stirring often, for 45 minutes. Season with: