Prep Time5 min
Cook Time5 min
Steam corn in a steamer basket set over boiling water in a large pot for 5 minutes. Sprinkle with salt.
Clean and oil grill grates. Preheat grill to medium high (400°F). Add corn cobs and grill for 5-7 minutes, turning occasionally until charred in some spots. Alternately, place a grill pan over medium-high heat on the stovetop and grill for 5-7 minutes turning occasionally.
In a small bowl combine mayonnaise, sour cream and lime juice.
Arrange corn on a platter, drizzle with mayo mixture and sprinkle with cotija, chili powder and cilantro. Serve with lime wedges on the side.