Slice jalapeno into rounds, saving 2 or 3 for the garnish. Muddle jalapeno in the bottom of a cocktail shaker. You may remove some seeds and membranes to lighten the heat if you prefer - or keep those membranes and seeds in the muddle for a real kick.
Add Peach Jalapeno non-alcoholic drink mix and Peach White balsamic. Add ice and shake for 15 seconds. Double strain into cocktail glass. top with mineral water and jalapeno slices. Stir and enjoy..