Step 1

Toast guajillo chiles, ancho chiles, and chipotle chiles in a dry pan over medium heat, stirring constantly, until warm and aromatic, about 3 minutes. Transfer to the blender with chicken broth.

Step 2

Heat 2 cups chicken broth in a saucepan until it begins to simmer, about 5 minutes. Pour broth into a blender.

Step 3

Toast dinner roll pieces and tortilla strips in a dry pan over medium heat, stirring constantly, until lightly browned, about 3 minutes. Transfer to the blender with chicken broth and chiles

Step 4

Allow the chiles and toasted bread and tortillas to soak, fully submerged, in the chicken broth until softened, about 10 minutes. Blend the mixture until smooth.

Step 5

Cook tomatoes and tomatillos in a dry skillet on medium-high heat until soft and blackened, 3 to 4 minutes per side. Place tomatoes in the blender with the chile puree.

Step 6

Melt lard in a large skillet over medium heat. Stir in onion, garlic, peanuts, raisins, cumin seeds, thyme, cinnamon sticks, cloves, and allspice berries; cook and stir until onions are soft and golden, 5 to 8 minutes. Remove the cinnamon sticks and other whole spices; add onion mixture to the blender with the chile-tomato mixture and blend until smooth.

Step 7

Pour chile puree into a large saucepan over medium heat. Stir in chocolate chicken broth, sugar, and salt. Bring mixture to a simmer; stir until chocolate is melted and sauce is thickened and slightly reduced, 10 to 15 minutes.