01 - Wash the lemon thoroughly. Cut it in half and squeeze the juice from both halves into a pitcher or large glass, removing any seeds.
02 - Add the cold filtered water to the lemon juice and stir well to blend flavors.
03 - Incorporate ice cubes if desired to chill the beverage.
04 - Top with fresh mint leaves and lemon slices for added freshness and visual appeal, if using.
05 - Serve immediately or refrigerate for up to 2 hours to intensify flavor.