Fresh Lime juice
Favorite Sparkling Water
Take a 1/2 cup of blueberries and the juice of half a lime and muddle them together. Add as much or as little simple syrup as you like, depending on how sweet you like your drinks. Then fill with sparkling water.
Take the glass you are going to use and use the other half a lime to get the rim of the glass wet and sticky and roll the rim of the glass in salt then fill the glass with ice and pour the drink over ice!
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