1044 Pirog with sauerkraut and fish (for meat or fast days)

• 3 glasses, or 1½ lbs, sauerkraut
• ¼ lb butter

Fry 1 finely chopped onion in ⅛ lb butter or oil. Add 3 glasses sauerkraut and finely ground black pepper and allspice, and stew, covered, until tender, adding rich bouillon and stirring so that it do