Sgoreshtyava is 1 tbsp vegetable oil, chopped onion and garlic fry until golden yellow, add the chopped tomatoes and everything is seasoned with salt and pepper. The fish is cleaned, sprinkle with lemon and rub with salt. Sgoreshtyava the remaining vegetable oil, add 2-3 tbsp water, fried onions and tomatoes with fish and sauté about 1/2 hour. Water should boil off.