Slice the ginger into thick pieces and add them to a medium sized pot with 2 ½ cups of water
Let this come to a boil and simmer for 30 minutes
Juice the lemons and add the maple syrup to a jar
Stir to combine
Strain the ginger and mash it with a spoon or potato masher to ensure that you release all of the liquid
Pour the liquid into a jar with the lemon juice and maple syrup
Let this cool and fill a glass with ice, a quarter of the mixture and top with sparkling water
