SERVES 6
Heat grill on medium heat. Insert a skewer into the cut end of each ear of corn. Grill on medium heat for approximately 25-30 minutes, or until tender, turning often.
Combine sour cream and mayonnaise in a bowl. Spread over each piece of grilled corn. Sprinkle with grated cheese and chili powder. For an extra kick, sprinkle with cayenne pepper. Serve with lime wedges if desired.