Preheat oven to 350 degrees.

Microwave corn tortillas between two plate for 30 seconds to make them flexible.

Fill a tortilla with a thin line of chicken, about 2 tablespoons. Add a thin line of cheese, about 2 teaspoons.

Gently roll and place seam side down in a casserole dish.

Repeat with all remaining ingredients until you run out of chicken. Reserve cheese.

Pour ranchero sauce over top. Sprinkle with remaining cheese.

Bake for 15 minutes or until cheese is melted.