01 -
Drain the canned tuna thoroughly, pressing gently to remove excess water to prevent soggy patties.
02 -
Combine mayonnaise, finely chopped red onion, celery, Dijon mustard, lemon juice, and Worcestershire sauce in a large bowl; whisk until well blended.
03 -
Gently flake the drained tuna into the bowl with wet ingredients. Add black pepper and salt, mixing carefully to maintain texture.
04 -
Fold in panko breadcrumbs and grated Parmesan cheese until evenly distributed without overmixing.
05 -
Cover the mixture and refrigerate for at least 30 minutes to firm up and meld flavors.
06 -
Divide chilled mixture into four equal portions and shape each into uniform patties approximately 2 centimeters thick.
07 -
Heat 15 milliliters olive oil in a large skillet over medium heat until hot but not smoking.
08 -
Cook two patties at a time for 4 to 5 minutes per side until golden brown and cooked through; avoid excessive movement for proper browning.
09 -
Place a slice of cheddar cheese on each patty during the last minute of cooking; cover skillet to melt evenly.
10 -
Remove cooked patties, add remaining olive oil to skillet, and repeat cooking process with remaining patties.
11 -
Optionally toast buns. Place each tuna melt patty on bottom bun half, add desired toppings like lettuce, tomato, and pickles, then top with remaining bun half. Serve immediately.