Baked cod with panko recipe

Name: Baked cod with panko recipe
Ingredients: 4 pieces center-cut cod fillets (6-7 oz per piece); Sprinkle coarse sea salt; Sprinkle ground black pepper; 2 tbsp olive oil; ½ cup gluten-free panko (about 2 tbsp per fillet); 1 tsp coarse sea salt; ½ tsp garlic powder; ¼ tsp ground black pepper; 2-3 tbsp finely chopped fresh herbs (chives, dills, or parsley, or a combination); Quarter one whole lemon juice (plus more lemon slices and wedges for serving); 3-4 tbsp (ghee) butter (room temperature)