Peel and wash the potatoes. Cook in 1/8 l water covered with 1/2 teaspoon broth for about 20 minutes
Peel, wash and slice the carrots. Clean, wash and cut the leek into rings. Onion peel, dice
Wash the fish fillet, dab dry, cut in half lengthwise. Salt lightly. Wash parsley and dab dry. Puree parsley, sour cream, salt and pepper. Brush the fillets with it, roll up and pin them
Bring 1/8 l water, 1/2 tsp broth, onion and vegetables to the boil. Season to taste with salt and pepper. Put the fish rolls on top and stew everything covered for 10-12 minutes
Mash the potatoes in the broth. Season to taste with salt and nutmeg. Arrange everything
If you want to save fat, it is best to use lean fish:
100 g fillet, e.g. of saithe, plaice or cod
contains only approx. 1 g fat