Ingredients
Method
1.Preheat oven to 200°C/180°C fan-forced. Line a large baking tray with baking paper. Dry potato well with paper towels. Arrange potato on prepared tray; drizzle with the oil. Season with salt. Bake potato, turning halfway through cooking, for 40 minutes or until golden and tender.
2.Meanwhile, place flour on a plate. Place egg in a shallow bowl. Combine breadcrumbs and zest on a plate. Coat fish in flour; shake off excess. Dip in egg, then breadcrumb mixture to coat evenly. Place on a large plate. Cover fish with plastic food wrap; chill for 15 minutes.
3.Heat remaining oil in a large non-stick frying pan over moderate heat. Cook fish, in batches, for 2-3 minutes each side or until cooked. Remove; keep warm.
4.Cut bread in half horizontally, then into 4. Toast until golden and crisp. To serve, place base of bread on serving plates; spread with tartare sauce. Top with lettuce. tomato, fish and remaining bread. Serve with chips and extra tartare sauce.