01 - Whisk together lemon juice, agave syrup, lemon zest, vanilla extract, and turmeric in a small bowl until fully combined to create the flavored syrup base.
02 - Fill two glasses generously with ice cubes to chill the mocktail properly.
03 - Pour half of the prepared mock limoncello syrup into each glass over the ice.
04 - Pour 1/4 cup lemonade and 1/2 cup sparkling water into each glass.
05 - Stir gently to incorporate all ingredients. Garnish with lemon slices and fresh mint leaves. Serve immediately while chilled.