Ingredients:

• 4 large plum tomatoes (about 1.4lb/650g), quartered
• 1 medium white onion, cut into chunks
• 3 cloves garlic
• 3 tablespoons olive oil
• 2 to 4 dried chiles de árbol, stemmed and deseeded
• 1/4 cup water
• 1 teaspoon kosher salt, plus more to taste
• 1 teaspoon freshly ground black pepper
• 1 teaspoon ground cumin
• 4 cups (640g) carnitas or pulled pork
• 1/2 cup vegetable oil, divided, as needed
• 12 corn tortillas
• 2 cups (8 ounces) grated Monterey Jack, cheddar, or Chihuahua cheese
• 1 cup sour cream, for serving
• 1 small red onion, finely diced, for serving
• 1 cup fresh cilantro, chopped, for serving