1.
Heat oil in large frying pan and cook chicken over medium-high heat until chicken is white throughout. Transfer to a bowl and mix pesto to taste with the cooked chicken. Set aside.
2.
In the same frying pan on low heat, place one tortilla and sprinkle half the cheese on top. Heat gently until cheese is melted.
3.
Cover the tortilla and cheese with the chicken mix. Top with the remaining cheese and the second tortilla.
4.
Flip it over and heat until all the cheese is melted and the tortilla is slightly crispy.
5.
Remove, slice into quarters and serve.