Preheat the oven to 375°F. Line a rimmed baking sheet with aluminum foil; coat with cooking spray.
STEP 2
Combine salsa and cream cheese in a large pan over medium heat; cook and stir until melted and creamy, about 3 to 5 minutes. Add chicken; cook until heated through, 2 to 3 minutes.
STEP 3
Spoon chicken mixture onto tortillas; roll into enchiladas. Place seam-sides down on the prepared baking sheet. Top with enchilada sauce.
STEP 4
Bake in the preheated oven for 10 minutes. Top with Mexican cheese; continue baking until melted, 5 to 10 minutes more. Serve hot.