Tomato, onion and lemon cut into rings. The fish is cleaned and washed. Cut into thick wheels and ranks on foil so: head, onion, lemon, tomato, next piece of fish again onion, lemon, tomato, so to the end. Sprinkle with salt and pepper or seasoning for fish. Wind up with fthe oil and bake in preheated oven for 40 minutes okolo30- depends on how big the fish. Then unscrew, pour a little sunflower oil and bake some more.