- 3 cups cooked, shredded chicken (rotisserie chicken is perfect)
- 2 tablespoons olive oil
- 1 white onion, diced, divided
- 3 garlic cloves, minced
- 1 tablespoons ground cumin
- 1 tablespoons chili powder
- 1 tablespoons dried oregano
- Salt and black pepper, to taste
- 2 1/2 cups red enchilada sauce (homemade or good-quality store-bought)
- 12 corn tortillas
- 2 cups shredded Monterey Jack or Mexican cheese blend, divided
- Fresh cilantro, diced avocado, and lime wedges, for serving