Clean the fish from the scales, wash it, blot it with a paper towel.
Cut out the ridge and cut into two portions.
Pour soy sauce into a large flat plate.
Add sugar and spices to the sauce.
Stir it up.
Put the fish in the sauce with the skin down, while greasing the top.
Leave on for 10 minutes.
Then turn the fish over.
Leave for another 10 minutes.
Wash the vegetables, dry them.
Cut onions and eggplants, green onions, tomatoes, pierce with a toothpick.
Prepare vegetable oil.
Preheat the grill pan over high heat.
Grease the fish and vegetables with vegetable oil (it is convenient to do this with a brush) and put them in a frying pan.
It is when using a grill pan that it is necessary to lubricate the products with oil, and not pour it into it.
Fry on high heat for 2-3 minutes on each side.
Serve with grilled vegetables, sprinkle with lemon juice and add lemon.
If desired, when serving, add salt with sea salt.