This recipe comes to us from Jarek Bomba,head chef at the Taverna Sopocka. Ingredients for the dough 340 g. flour 1 egg approx. 125 ml lukewarm water salt Ingredients for the filling 350 grams cooked beef 1 medium-sized onion 40 grams butter or lard 2 tablespoons thick broth salt,pepper Preparation Knead the dough. Divide it into two portions,one will not be used and should be covered. Filling