01 -
In a bowl, whisk together mayonnaise, sour cream, juice from half of the lime, a pinch of salt, and a pinch of black pepper until smooth.
02 -
Preheat the grill to 200°C. Shuck the corn, keeping the stalk attached if desired. Peel back the husks or remove completely.
03 -
Brush corn cobs evenly with oil. Season with a pinch each of salt, ground black pepper, and chili powder.
04 -
Place the corn onto the grill. Cook for 10-12 minutes, turning occasionally, until lightly charred in spots and heated through.
05 -
Remove the grilled corn from the grill. Squeeze the remaining lime juice over each cob. Generously drizzle the prepared sauce over hot corn.
06 -
Sprinkle each corn cob with crumbled cotija cheese and optional grated parmesan. Garnish with chopped fresh cilantro and serve immediately.