you might consider replacing some of the seltzer with sparkling wine. Limoncello can also be mixed with vodka and lemon juice for a limoncello martini or used to spike iced tea or an Arnold Palmer ...

Read more: 26 Popular Vodka Brands ... Either type of sparkling wine pairs beautifully with the limoncello. Additionally, the drink should have plenty of sweetness from both the limoncello ...

Boil the sugar and water until the sugar is dissolved. Cool and mix into the vodka mixture. Strain the liquid into bottles and seal. Add to sparkling wine, soda water or gin and tonic.