01 - Squeeze fresh lemons to extract approximately 1 cup of lemon juice. Remove any seeds or pulp.
02 - In a large pitcher, combine the lemon juice with sugar. Stir vigorously using a wooden spoon until sugar completely dissolves.
03 - Pour cold water into the pitcher. Mix thoroughly to ensure even distribution of ingredients.
04 - Add ice cubes to the mixture. Taste and adjust sweetness by adding more sugar if desired, or dilute with additional water if too strong.
05 - Pour into serving glasses. Garnish with fresh lemon slices and mint leaves if desired. Serve immediately while chilled.