Prepare simple syrup by bringing water and sugar to a boil; once boiling, remove from heat, stir in fresh basil leaves and juice of 1 lemon. Cool completely. {Remove basil leaves before using}
Place 10 fresh raspberries into a glass and muddle.
Add green tea, lemonade (optional), and lemon-basil simple syrup.
Garnish with basil leaf and lemon wedge.
*Extra simple syrup can be stored in an airtight container in the refrigerator.