Hướng dẫn

• 1 - Prepare Ginger Syrup:
  In a small saucepan, combine grated ginger and sugar with 250ml of water. Simmer over low heat until sugar dissolves. Strain and cool.
• 2 - Mix Ingredients:
  In a large pitcher, combine the cooled ginger syrup, lemon juice, and remaining water. Stir well to mix.
• 3 - Serve Chilled:
  Fill glasses with ice cubes, pour the ginger ale mixture over ice, and top with sparkling water. Stir gently and serve immediately.