Preparation: Place the sugar, the mint leaves, and a little club soda into a glass / Muddle well to dissolve the sugar and to release the mint flavor / Squeeze the juice from both halves of the lime into the glass / Drop one half of the lime into the glass / Add the rum / Stir well / Fill the glass with ice cubes / Add the rest of the club soda / Garnish with the mint sprig. (mixedgreensblog.com)
This cucumber lime mojito starts with fresh cucumber and lime juice, mint leaves, stevia for sweetness (this is the one I use), and then sparkling water or a little club soda. (insonnetskitchen.com)
If you prefer a non-alcoholic version, leave out the rum and replace the liquid with a little club soda. (cookincanuck.com)