Method

1. 1Step : Wash and slice the cucumber thinly. Marinate with the vinegar and sugar to draw out excess moisture.
2. 2Step : Peel and slice the onion and carrot into thin rounds.
3. 3Step : De-string the celery and slice it into thin rounds.
4. 4Step : Make the tartar sauce: dice the pickle, snip the chives. Mix the mustard and egg yolk. Whisk constantly while gradually pouring in the oil to emulsify the sauce. Season with a pinch of salt and pepper. Add the pickle
5. 5Step : Beat the egg. Dredge the fish fillets in flour, then dip into the egg and coat in breadcrumbs. Fry the breaded fish fillets in hot oil for 1 to 2 minutes on each side, then drain on paper towels.
6. 6Step : Cut the burger buns in half. Optionally, warm the opened burger buns for a few minutes in an oven at 180°C.
7. 7Step : Spread a little tartar sauce over the bottom bun, add the lettuce, pickled cucumber, fish fillet, carrots, celery, and red onions. Finish with some tartar sauce and close the burger. Enjoy immediately.