Mix chicken with cheese and green chilies in a small mixing bowl.
Step
Divide the mixture between the 4 tortillas. Spread the mixture over half of the tortilla, and fold in half.
Step
Preheat sauté pan over medium heat. Once hot, add the oil, followed by the stuffed tortillas. Cook for 4-5 minutes per side, or until tortillas are golden brown and cheese has melted.