01 - Preheat grill to medium-high heat (approximately 400°F) or preheat oven to 430°F if roasting.
02 - Whisk together melted butter, smoked paprika, garlic powder, onion powder, thyme, oregano, cayenne pepper, black pepper, and salt in a small bowl until smooth paste forms.
03 - Brush each ear of corn generously with the Cajun spice mixture, ensuring even coating on all sides.
04 - Place corn directly on grill grates or arrange on a parchment-lined baking sheet for oven roasting.
05 - Cook corn for 12–15 minutes total, rotating every 3–4 minutes, until lightly charred and tender throughout.
06 - Remove from heat and allow to cool slightly. Garnish with fresh parsley if desired and accompany with lemon wedges for serving.