In the glasses add 2-3 ice cubes then evenly add the limoncello, prosecco and water, gently stir to combine. Decorate with lemon slices and fresh mint.
Notes
Common garnishes for this citrusy cocktail include mint leaves and a lemon wheel. Other fun garnishes to try include raspberries or strawberries on a cocktail pick, fresh basil, fresh thyme or even a slice of orange. No storage instructions, make it and drink it!