Cod, barbel or flounder with mashed potatoes

Ingredients
→ SALT
→ 750 G COD, BARBEL (MYRON) OR FLOUNDER
→ 700 G OF POTATOES
→ 30 G PARSLEY
→ 3 TABLESPOONS MELTED BUTTER
→ 20 G CELERY ROOT OR 1 TEASPOON DRY CELERY ROOT
→ 2 BLACK PEPPER PEAS
→ 1-2 BAY LEAVES
→ 1/4 TEASPOON DRY PARSLEY ROOT
→ 1/2 CUP BOILED MILK
→ 1 CARROT
→ 1 ONION
Place the fish on a greased pan or baking sheet, cover with an even layer of mashed potatoes, flatten with a knife, sprinkle with melted butter and bake in the oven at 180-200 degrees until golden brown.
It is recommended to serve fresh or pickled cucumbers, as well as vegetable salad.