1. Cut a long strip of zest from the lemon. It will be needed for decoration and will give the drink additional flavor.
2. For the sugar syrup: Cane sugar - 300 gr; Water - 300 ml. Mix the water and sugar in a saucepan and start to heat gradually, stirring occasionally. The sugar should dissolve completely. When the water starts to boil, remove from heat and cool. Store the finished syrup in a tightly closed glass bottle or jar for up to 2 weeks.
3. Put ice in a glass, add sugar syrup and mineral water. Then add the squeezed lemon juice. Stir.
4. Put a strip of lemon zest and pour beer to the rim of the glass. Ready! Enjoy!