01 - Preheat a grill to medium-high heat, approximately 400°F.
02 - In a small bowl, whisk together melted butter, olive oil, Cajun seasoning, smoked paprika, garlic powder, onion powder, salt, and black pepper until smooth paste forms.
03 - Brush each ear of corn evenly with the Cajun spice mixture, ensuring complete coverage on all sides.
04 - Place corn directly on grill grates. Grill for 12-15 minutes, turning every 3-4 minutes, until tender and lightly charred on all sides.
05 - Remove from grill and transfer to serving platter. Garnish with chopped parsley and serve with lemon wedges for squeezing over the top.