01 - Squeeze the lemons thoroughly to extract fresh juice, removing any seeds.
02 - In a large pitcher, combine the lemon juice with sugar. Stir continuously until sugar completely dissolves.
03 - Pour cold water into the pitcher and mix well to ensure uniform distribution of flavors.
04 - Add ice cubes to the pitcher. Taste the lemonade and adjust sweetness or water content as needed.
05 - Pour into glasses and garnish with lemon slices and fresh mint leaves if desired.