Pull some of the silk and husk off but not all of it.
This will add flavor, help the corn steam, and protect it from burning.
Fill a small tub or clean sink filled with cold water.
Add the salt and sugar.
Soak the corn cobs for at least 30 minutes and up to a couple of hours before grilling.
Rub the Cotija cheese all over the cobs
Add the chili lime sauce
Grill the corn 15-20 minutes until the kernel is easy poked with a fork