Foryoueats: Grilled Blackened Fish Sandwiches

Ingredients

• 2 teaspoons paprika
• 1/2 teaspoon dried oregano
• 1/2 teaspoon dried thyme
• 1/4 teaspoon onion powder
• 1/4 teaspoon garlic powder
• 1/4 teaspoon freshly ground black pepper
• Large pinch cayenne pepper
• 4 (6-ounce; 170g) grouper, mahimahi, or other white fish fillets
• Kosher salt
• 4 tender sandwich buns
• Romaine or iceberg lettuce, for topping
• Thinly sliced tomato, for topping
• Mayonnaise, tartar sauce , or remoulade , for serving
• 8 crisply cooked bacon slices (optional)