packed chopped rhubarb stalks
if you freshly cut the rhubarb, discard the leaves as they are poisonous
Bring all to fully boil on high heat then lower temp to medium-low and let simmer for 5-10 mins
Take off from heat and let cool completely to room temperature
Strain (you will get about 300 ml of syrup)
To serve: Pour syrup in serving glass, add in enough cold water and ice cubes.