Scratch-Made Moscow Mules + Ginger Beer Concentrate

INGREDIENTS

10 oz

fresh young ginger

2 cups

filtered water, divided

1/2

to 1 cup granulated sugar, to taste*

1/2

to 1 cup freshly squeezed lime juice, to taste

2 oz

ginger concentrate, or to taste

2 oz

vodka

1 oz

Domaine de Canton ginger liqueur

lime juice, optional,

club soda

mint sprig, for garnish