01 - Roll lemons on a countertop to soften, then cut in half and extract juice, removing seeds.
02 - Combine freshly squeezed lemon juice and sugar in a large pitcher. Stir until sugar dissolves completely.
03 - Add cold water to the lemon-sugar mixture and stir well. Taste and adjust sweetness if necessary.
04 - Incorporate ice cubes into the pitcher or serve the beverage over ice in individual glasses.
05 - Optionally garnish with lemon slices and fresh mint leaves before serving.