Shuck the corn husks. Bring a large pot of water to boil and boil the corn for 10-12 minutes, or until they start to tender.
8 ears sweet corn
Brush the corn with vegetable oil. Heat a grill to high and grill the corn on all sides until charred/browned on all sides.
1 tablespoon vegetable oil
Mix sour cream, mayonnaise, lime, garlic, salt and pepper in a bowl and brush over the cooked corn.
½ cup sour cream or crema, ½ cup mayonnaise, 1 lime, 1 garlic clove, Salt and pepper
Top with crumbled cotija cheese, fresh cilantro and Tajín seasoning.
1 cup crumbled cotija cheese, ⅓ cup coarsely chopped fresh cilantro, 2 teaspoons Tajín seasoning