Birch sap Belarus is one of countries where there is production of birch sap. Birch sap is a traditional slaven beverage. It is obtained from birch trees at spring. Bark of tree is pierced by awl and wood splinter is plugged to hole. This wood splinter allows to juice draining to a container, for example to a bucket or a bottle. When the container is full we can drinking juice but also we can make biarozavik (traditional Belarus beverage). For do it we fry barley not too much and mix their with birch sap. Then we add a little bit of honey in mixture. After it we should package beverage in closed container and leave it for several weeks in dark place. After around six weeks we have a tasty beverage that named biarozavik.