Original sentence: Pierogi in Russia were also popular during the Soviet period, when it became part of the menu of public catering and international Soviet cuisine.Russian cuisine makes (sometimes mixed with mushrooms), quark cheese, cabbage, beef, and berries.The name of a popular type of Polish pierogi, pierogi ruskie ("Russian pirogi"), is related to Rus', the historical region and naming of Eastern Slavs and the ancient kingdom from which Ukrainians descend
Edited sentence: Russian adopted Ukrainian Vareniki are most often filled with potatoes (sometimes mixed with mushrooms), quark cheese, cabbage, beef, and berries.The name of a popular type of Polish pierogi, pierogi ruskie ("Ruthenian pierogi"), is related to Rus', the historical region and naming of Eastern Slavs and the ancient kingdom from which Ukrainians descend.This Ukrainian dish became especially popular in Russia during the Soviet period, when it became part of the menu of public catering and international Soviet cuisine