The decision to classify the cultural heritage right was made unusually quickly, due to the war in Ukraine, which the organization considers risks having a negative impact on the mushroom culture.
The soup is common in several other former Soviet countries and while it is celebrated in Kyiv, angry voices are raised from Moscow.
Maria Zacharova, spokeswoman for the Russian Foreign Ministry, says it is xenophobic to link the right to a nationality.
"The victory in the borscht war is ours!", Says Ukraine's Minister of Culture Oleksandr Tkachenko on Telegram.