SERVES 8
Heat grill on medium heat. In a small bowl, combine oil, salt, and pepper to taste. Brush the corn with the olive oil mixture and place on grill. Grill on all sides until charred and tender, approximately 12 minutes.
While corn is grilling, combine butter, mayonnaise, onion powder, and lime zest in a small bowl. When the corn is done cooking, brush on butter mixture and serve with lime wedges.