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Slow-Roasted Swordfish Birria
Ingredients
- 2 dried ancho chiles, stems removed (about 1 ounce)
- 3 dried guajillo chiles, stems removed (about 3/4 ounce)
- 4 dried cascabel chiles, stems removed (1/4 ounce)
- 1/2 cup chopped white onion
- 1/4 cup apple cider vinegar
- 1 tablespoon cumin seeds
- 1 tablespoon kosher salt
- 10 black peppercorns
- 4 large garlic cloves
- 4 whole cloves
- 2 pounds (1-inch-thick) skinless swordfish fillets
- 1 1/2 teaspoons kosher salt
- 2 tablespoons extra-virgin olive oil
- 1 (14.5-ounce) can diced fire-roasted tomatoes, drained
- 1 teaspoon kosher salt
- 1/2 cup finely chopped white onion
- 2 radishes, thinly sliced
- Juice of 2 Key limes (about 1 1/2 tablespoons)
- 1/2 teaspoon dried oregano
- Kosher salt
- 1 large avocado, sliced
- Fresh corn tortillas, warmed, for serving
Steps
- Using a paring knife, cut a slit down the side of each chile. Open each chile, and remove and discard veins and seeds. Heat a large comal or cast-iron skillet over medium. Add chiles, and cook until fragrant and chiles begin to darken, about 30 seconds per side. Remove chiles from pan; set aside.
- Combine toasted chiles, onion, vinegar, cumin seeds, salt, peppercorns, garlic, and cloves in a blender, and puree until a smooth paste forms. If paste is too thick, add water to thin to desired consistency (I use about 6 tablespoons water to 1 cup adobo).
- Preheat oven to 300°F. Season fish with salt. Spread 3/4 cup adobo over fish to completely coat fillets. Line a medium baking dish with parchment paper. Add fish, and drizzle with oil. Roast in preheated oven on middle rack until flesh is opaque throughout and flakes easily with a fork and a thermometer inserted in center of fillet registers 135°F, about 30 minutes. Let fish rest 10 minutes.
- In the same blender, add tomatoes, salt, and 1/4 cup adobo. Process until smooth.
- Toss together onion, radishes, lime juice, and oregano in a small bowl until combined. Season with salt to taste. Serve fish with onion mixture, avocado, salsa, and hot, fresh tortillas.