Fish turns out very juicy in that way. And delicious, of course!
Fish cut into portions. Season with spices and leave for 20 minutes.
In the leaves of horseradish to cut thickening, cheese RUB on a grater. The leaves of horseradish cut in half, on each half put a piece of fish and sprinkle the top with cheese.
Roll leaves the roll so that the cheese was on top. To put in the basket of a double boiler ready rolls. To put the "fish" and cook for 20 minutes.