Wash the potatoes and boil them in a little salted water. Wash fish, pat dry and cut into pieces. Sprinkle with lemon juice
Wash the rocket and cut it smaller if necessary. Wash and halve or quarter the tomatoes. Cut onion into thin slices. Peel garlic and chop finely
Heat the oil in a coated pan. Season the fish and fry on each side for about 2 minutes until golden brown. Take out
Fry onion and garlic in hot frying fat until transparent. Add tomatoes and sauté briefly. Drizzle vinegar over it. Season with salt and pepper. Put the fish back into the pan and warm it up briefly. Add rocket. Drain the potatoes. Arrange everything. Garnish with lemon if necessary.
In general: eat sea fish once a week. It is low in fat and provides a lot of important iodine, which stimulates the metabolism