A Spanish family taught me this fish trick! I don't cook any other way!

A Spanish family taught me this fish trick! I don't cook any other way!
Recipe and ingredients:
Fish (carp).
Remove scales and entrails.
remove excess moisture.
Cut off the fins.
Cut off the tail.
Make cuts like in the video.
Salt.
Black pepper.
Paprika.
Rub the fish well to absorb the spices.
repeat on the other side.
Season the inside of the fish with spices.
Cover with cling film.
Let stand in the refrigerator for 30 minutes.
Chop 4 onions.
Place the chopped onion on a baking sheet.
Place the fish on the onion.
Cut 120 g butter into pieces.
Do it like in the video.
Cover with baking paper and foil.
Bake in the oven at 180°C for 40-45 minutes.
Chop 3 red peppers.
Grind the pepper in a blender.
4-5 tomatoes.
Grind the pepper in a blender.
Vegetable fat.
Fry lightly over low heat, stirring constantly.
Salt.
Oregano.
Thyme.
mix well.
Chop a bunch of parsley.
Grate 70-80 g of hard cheese on a coarse grater.
In 45 minutes.
Place the sauce next to the fish.
Sprinkle with cheese.
Bake in the oven at 180°C for another 15 minutes.
Bon appetit!
Garnish:
1 onion
Vegetable fat.
Grate 1 carrot.
frozen green peas.
Frozen corn.
add a glass of bulgur.
mix well.
a glass of water.
Salt.
cook until done.
Bon appetit!