Peel ginger with vegetable peeler or spoon edge
Slice into ⅛ to ¼-inch thick rounds or matchsticks
Place ginger in large saucepan with 4 cups water, bring to boil
Boil 30 minutes to soften and mellow heat
Drain ginger, discard water
In same pan, combine 3 cups sugar and 1½ cups fresh water
Stir over medium heat until sugar dissolves completely
Add drained ginger to syrup, bring to gentle simmer
Simmer 45-60 minutes, stirring occasionally, until translucent and tender
Ginger should look glassy, syrup thick like honey
Remove ginger with slotted spoon, save syrup
Place ginger on wire rack over baking sheet, dry 2-3 hours until tacky
Toss ginger in 1 cup sugar to coat completely
Return to rack, dry 8-12 hours at room temperature (or 2-3 hours at 170°F)
Store in airtight container at room temperature
Refrigerate ginger syrup in sealed jar