In a medium size pot, heat water, salt, and butter.
Add corn flour and fold for 1-2 minutes or until the corn flour becomes a dough.
Fold in cheese and transfer to a medium bowl. Let cool for a couple of minutes, if necessary.
Roll pieces of dough with your hands, forming 3" to 3 1/2" long sticks.
Place them in a single layer in the air fryer basket and fry at 400 degrees in the fry setting for 15-18 minutes or until golden brown and crispy.
Serve with the Mayo-Ketchup dipping sauce.