Preheat your grill to a medium-high heat.
Mix mayo, lime juice and cumin while grill is heating up. Set aside.
Grill your corn on the cob for 7-9 minutes or until hot and slightly charred.
As soon as you're done grilling, roll the cob in melted salted butter and then in the mayo mix.
Sprinkle with Cotija cheese, chili powder and chopped cilantro and serve immediately.
This Mexican corn on the cob recipe is one of the best street foods in the world!! It's slathered in cheese, mayo, and spices.