dried guajillo chiles (about 7 large or 15 small), seeds removed, torn into 1-inch pieces • chipotle chiles (about 9 medium or 14 small), seeds removed, torn into 1-inch pieces • nigella seeds • coriander seeds • garlic • ground cumin • kosher salt • Aleppo pepper or ¼ teaspoon crushed red pepper flakes • olive oil • Champagne or white wine vinegar
