Preheat oven to 425°F.
Place tomatillos, white onion wedges, jalapeños, and serrano peppers on a baking sheet. Drizzle with olive oil and sprinkle with salt and pepper. Roast for 20 to 25 minutes until softened and lightly charred.
1 ½ pounds tomatillos, 1 large white onion, 3 jalapeños, 2 serrano peppers, 2 tablespoons olive oil, 1 teaspoon salt, ½ teaspoon black pepper
Transfer roasted vegetables to a blender. Add chicken broth, cilantro, garlic, and lime juice. Blend until smooth. Taste and adjust seasoning if needed.
1 ½ cups chicken broth, ½ cup fresh cilantro, 2 cloves garlic, 1 tablespoon lime juice
Pour salsa into a wide shallow bowl for dipping.
Reduce oven temperature to 350°F.
In a bowl, combine shredded chicken with cumin, Mexican oregano and salt. Add ¼ cup salsa to the chicken and combine.
3 cups cooked shredded smoked or rotisserie chicken, ½ teaspoon cumin, ½ teaspoon Mexican oregano, ½ teaspoon salt
Spread a thin layer of salsa in the bottom of a 9x13 baking dish.
16 corn tortillas
Dip each corn tortilla into the warm salsa, coating both sides.
Fill with shredded chicken and a little shredded cheese, roll tightly, and place seam-side down in the baking dish.
Repeat with remaining tortillas.
2 cups shredded Monterey Jack or Oaxaca cheese
Pour remaining salsa evenly over the enchiladas.
Sprinkle the remaining 1 ½ cups shredded cheese over the top.
Bake for 20 to 25 minutes until hot and bubbly and cheese is melted.
Let rest for 5 minutes before serving.
Top with queso fresco, crema, cilantro, and sliced red onion.
Crumbled queso fresco, Mexican Crema or Sour cream, Chopped cilantro, Thinly diced or sliced red onion