01 - Preheat grill to medium-high heat (approximately 400°F) or preheat oven to 430°F if roasting.
02 - In a small bowl, whisk together melted butter, smoked paprika, garlic powder, onion powder, dried thyme, dried oregano, cayenne pepper, black pepper, and salt until smooth paste forms.
03 - Using a pastry brush, generously coat each ear of corn with the Cajun spice mixture, ensuring all sides are evenly covered.
04 - Place corn directly on preheated grill grates or arrange on a baking sheet lined with parchment paper if using oven method.
05 - Cook corn for 12-15 minutes total, rotating every 3-4 minutes to achieve even charring on all sides until tender and golden brown.
06 - Remove corn from heat, allow to cool for 2-3 minutes. Garnish with fresh parsley if desired and serve immediately with lemon wedges for squeezing.