Ginger beer

Lashings of Ginger beer? NO picnic should be without. Perfect way to use up that lump of ginger root that's always kicking about and the last of the lemons. You'll need:

• 100g Ginger Root
  
• 300ml Water
  
• 1 Lemon 
  
• 100g Light Brown Sugar
  
• 1L Sparking water or 7Up