Cutlets from fish

Ingredients
→ GROUND BLACK PEPPER
→ TOMATO SAUCE FOR FISH
→ TOMATO SAUCE
→ WHITE SAUCE FOR FISH
→ SAUCE (LIQUID MILK)
→ SALT
→ VEGETABLE OIL
→ 500 G BONELESS FILLET OF WALLEYE, PIKE OR COD
→ 3 TABLESPOONS BREADCRUMBS
→ 2 TABLESPOONS BUTTER
→ 100 G OF WHITE BREAD
→ 0.5 CUP MILK