Baked Crispy Fish Sandwiches – The Adventures of Luke & David

Ingredients

• 1 tablespoon olive oil or butter
• 1 1/4 cups panko breadcrumbs
• 1/4 teaspoon kosher salt (plus more for seasoning)
• 1/2 plus 1/3 cup mayonnaise (divided)
• 1 tablespoon sweet pickle relish
• 1 1/2 tablespoons 4 1/2 teaspoons capers, coarsely chopped
• 2 teaspoons Dijon mustard
• 1 pound cod or tilapia fillets
• Freshly ground black pepper
• 4 hamburger or potato buns (split)
• 4 iceberg or romaine lettuce leaves
• 2 medium tomatoes (sliced into rounds (optional))