Finely chop the onion, grate the carrots, fry the vegetables in vegetable oil until soft. Add tomato paste at the end.
Defrost the fish, cut the abdomen and remove the ridge with the rest of the bones. Salt, pepper on all sides, pour lemon juice over it and leave for 15 minutes.
Stuff hake carcass with vegetables. Put the fish in the baking sleeve.
Bake in a preheated oven to 180 degrees for 60 minutes, then cut the sleeve and cook another 10 minutes for a brownish.
Baked hake stuffed with vegetables in the oven turns out to be surprisingly tender, juicy and tasty. Cooking such a fish is very simple and quite quick, such a dish is great for mashed potatoes, boiled rice, vegetable salad or other side dishes. Hake is great for children as the fish is not oily, it contains a lot of vitamins and useful elements, as well as there are no small bones in it.