01 - 
                Dry off the cod fillets with a paper towel and sprinkle them with lemon juice, salt, and pepper.
              
              
              
                02 - 
                Grab three bowls: put flour in the first, whisk milk and eggs in the second, and mix panko with paprika, onion powder, garlic powder, and cayenne in the last.
              
              
              
                03 - 
                Take each fillet, coat it in flour first. Then dip in the egg mixture, and lastly cover it with seasoned panko. Press gently so it sticks.
              
              
              
                04 - 
                Pour 2 inches of oil into a large skillet and heat to 175°C (350°F). Cook the fish for 3 to 4 minutes on each side until crispy and golden. Let them drain on paper towels.
              
              
              
                05 - 
                Stir the mayonnaise, pickle relish, lemon juice, onion, mustard, salt, and pepper together in a bowl. Chill it until you're ready to use.
              
              
              
                06 - 
                Smear tartar sauce on the bottom bun, add lettuce, tomato, a cod fillet, and pickles if you'd like. Cap it with the top piece of bread.
              
              
              
                07 - 
                Pair these sandwiches with some coleslaw or fries and dig in.