Soak the corn in water for about 10 minutes to prevent burning and keep it moist while grilling.
Preheat your grill to high heat until hot and slightly smoky, then place the corn directly on the grates.
Grill the corn, turning occasionally with tongs, until each side is charred and you hear that satisfying crackle—about 8-10 minutes.
Remove the corn from the grill and let it rest for a minute, then carefully peel back the husks or use tongs to handle and prepare for coating.
In a bowl, whisk together mayonnaise, a squeeze of lime juice, and a pinch of chili powder for a flavorful coating.
4 ears fresh sweet corn
Brush the hot, charred corn generously with the mayo mixture using a basting brush or spoon, ensuring all sides are coated.
Sprinkle crumbled cotija cheese over the coated corn, pressing slightly to help it stick to the mayo layer.
4 ears fresh sweet corn
Finish by drizzling melted butter over the top, then sprinkle with chopped cilantro and a little extra chili powder for color and flavor.
4 ears fresh sweet corn
Serve the elote immediately while warm, allowing the flavors to meld and the kernels to stay juicy and smoky.