Kulebiak dr. Russaka

Fish and Cabbage Pie with Mushroom Sauce Dr. Russak's Story Stuffing Pikeperch fillet (e.g., zander) Lemon juice Sauerkraut Clarified butter Dried mushrooms 1 onion 1 hard-boiled egg Salt and pepper Dough 1kg flour 1 stick of butter 30g vinegar 2 eggs Salt Whipped egg Mushroom sauce Blanched porcini mushrooms Onion Spiced broth Heavy cream Salt, pepper, allspice