Preheat oven to 375. Spray a casserole dish with cooking spray.
Pour 1/3 of the enchilada sauce in the bottom of the casserole dish. Top with a layer of tortillas. Top tortillas with 1/2 of the black beans, 1/2 of the pork, and sprinkle with 1 cup of cheese.
Top cheese with 1/3 of the enchilada sauce, then another layer of tortillas, then remaining black beans, remaining pork, and 1 cup of cheese.
Add remaining enchilada sauce, remaining tortillas, and top with remaining 2 cups of cheese.
Cover and bake 10 minutes. Uncover and bake another 10 minutes until cheese is bubbly.
Serve warm and drizzle with cilantro dressing, sprinkle with chopped cilantro.