01 - Pat cod fillets dry with paper towels, then season both sides evenly with salt, black pepper, and paprika.
02 - Arrange three shallow bowls: one with all-purpose flour, one with beaten eggs, and one containing a mixture of panko and plain breadcrumbs.
03 - Dredge each fillet in flour, dip into the beaten eggs, then coat thoroughly with the breadcrumb mixture ensuring an even coating.
04 - Pour vegetable oil into a large skillet to a depth of about 1 inch and heat over medium-high until the temperature reaches approximately 350°F (175°C), avoiding smoking.
05 - Fry the fillets in batches, cooking each side for 3 to 4 minutes until golden brown and fully cooked through. Remove and drain on paper towels.
06 - Combine mayonnaise, chopped pickles, capers, lemon juice, dill (if using), and Dijon mustard in a bowl. Season with salt and pepper according to taste, then mix well.
07 - Serve the crispy fried cod immediately accompanied by tartar sauce and lemon wedges.