01 - Set oven temperature to 400°F and prepare a baking tray with parchment paper or light grease.
02 - Pat the cod fillets dry using paper towels and arrange them on the prepared tray.
03 - In a bowl, combine melted butter, fresh breadcrumbs, lemon zest, lemon juice, parsley, dill if used, minced garlic, salt, and black pepper until mixture resembles damp sand.
04 - Evenly spread the lemon herb butter crumb over each cod fillet, pressing gently to adhere.
05 - Bake for 15 to 20 minutes until the cod turns opaque, flakes easily, and the topping is golden brown.
06 - Remove from oven and garnish with additional parsley and lemon wedges if desired. Serve immediately.