What is the name of this traditional Slavic and Baltic fermented beverage that is used for a flavor in Fruktime and commonly made from rye bread whose colour contributes to the resulting colour of the drink?
Kvass Kvass is a traditional Slavic and Baltic fermented beverage commonly made from rye bread, known in many Eastern European countries and especially in Russia as black bread. The colour of the bread used contributes to the colour of the resulting drink. It is classified as a non-alcoholic drink by Russian standards, as the alcohol content from fermentation is typically low (0.5–1.0%). It may be flavoured with fruits such as strawberries and raisins, or with herbs such as mint.
Börek Börek (; also burek and other variants) is a family of baked filled pastries made of a thin flaky dough known as phyllo (or yufka), of Anatolian origins and also found in the cuisines of the Balkans, Levant, Mediterranean, and other countries in Eastern Europe and Western Asia. A börek may be prepared in a large pan and cut into portions after baking, or as individual pastries. The top of the börek is often sprinkled with sesame seeds.