Three-Chile Harissa

Ingredients

• 3 ounces dried guajillo chiles (about 7 large or 15 small), seeds removed, torn into 1-inch pieces
• 1 ounce chipotle chiles (about 9 medium or 14 small), seeds removed, torn into 1-inch pieces
• 1 tablespoon nigella seeds
• 1 teaspoon coriander seeds
• 2 garlic cloves
• 1 tablespoon ground cumin
• 1 teaspoon kosher salt
• 1/2 teaspoon Aleppo pepper or 1/4 teaspoon crushed red pepper flakes
• 1/2 cup olive oil
• 2 tablespoons Champagne or white wine vinegar
• Nigella seeds can be found at Indian markets, some supermarkets, or online.
• A spice mill or a mortar and pestle