Espresso Soda

Directions

1. 1
   Combine the sugar and 2 cups water in a medium saucepan, bring to a boil over high heat and cook until the sugar is completely melted, about 2 minutes.
2. 2
   Remove from the heat, add the espresso beans and let sit at room temperature for 30 minutes.
3. 3
   Strain, cover and refrigerate until very cold, at least 2 hours.
4. 4
   Fill 8 tall glasses with ice.
5. 5
   Add about 1/4 cup of the espresso syrup to each glass.
6. 6
   If desired, add a shot of vodka and coffee liqueur with the syrup and stir well.
7. 7
   Fill to the top with club soda.