So... Grate cheese on a grater, to mix with ground pepper. Onions (roughly a third save for the future) cut into cubes. Stuff them with slices of ginger abdomen and the fish head.

To ensure that the contents of the fish not getting enough sleep, you can stripetti an incision in the abdomen using toothpicks, which will give the fish additional stability. (Option # 2: gut a cosmetic incision around the edge of the gills). After that, the fish is smeared with mustard, pepper, salt to taste, you can add any seasoning that You like. Sprinkle cheese evenly, so help You mustard in this difficult work...

The remaining onion cut into round slices-half rings and put in two contacts, creating a "cushion"for fish. Gently put into the package the fish. Put in preheated oven at 180 degrees. 40-50 minutes and it's ready. Reveal package...