Preheat oven to 350 F.
Spray a 9-by-13-inch baking pan with nonstick cooking spray. Remove seeds from chiles. Lay half the chiles in the pan. Top with half the tortilla strips and then half of the cheese. Sprinkle with half of the seasonings (except the paprika).
Repeat another layer using remaining chiles, tortillas and cheese. Sprinkle the remaining half of the seasonings (except the paprika). Beat eggs with milk and pour over casserole. Sprinkle with paprika.
Bake uncovered for 40 minutes or until puffy and set in the center. Let sit 10 minutes before serving. Serve with salsa.