01 - Preheat grill to medium-high heat, approximately 400°F.
02 - Combine softened butter, smoked paprika, garlic powder, onion powder, oregano, thyme, cayenne, salt, and black pepper in a small bowl. Mix thoroughly until fully incorporated.
03 - Brush each ear of corn generously with half the Cajun butter mixture, ensuring even coverage.
04 - Place corn directly on grill grates. Grill for 12–15 minutes total, turning every 2–3 minutes, until corn is tender and nicely charred on all sides.
05 - Remove corn from grill and immediately brush with remaining Cajun butter while hot.
06 - Sprinkle with chopped parsley and serve immediately with lime wedges on the side.