marinate tuna... press tuna dry with a fine mesh strainer and paper towels. Transfer to a medium bowl
flake tuna... finely flake the tuna
microwave onion... place onion and oil in a microwave safe bowl and cook until it begins to soften, about 2 minutes cool onion and oil about five minutes.
combine onion, lemon juice ½ t salt and ¼ t freshly cracked black pepper and sugar with tuna and let rest for 10 minutes.
finish salad... stir mayonnaise, parsley and celery into tuna mixture season with additional salt and pepper as needed and serve.
Recipe by Man of Leisure.info at https://manofleisure.info/awesome-tuna-salad/