Limoncello should be drunk fresh and within seven days of being made. It can also remain drinkable for up to 1 month if it is refrigerated, but the taste will start degrading as time goes on. You can also freeze Limoncello for up to a year and still enjoy its flavor.

How can you tell if limoncello has gone bad?

Bad limoncello will cause 'Allappa' or thick tongue

From the verb "allappare," a better translation might be that it makes your mouth pucker due to the sourness. "A good limoncello has a fresh tartness, it's not overbalanced and leaves your tongue fresh and clean," she said.

How long does limoncello keep?

Can Limoncello Go Bad or Expire? You should generally try to consume limoncello within 2 years of creating or opening it. Limoncello only contains 4 ingredients, 2 of which are preservatives. So, it will never “go bad” like milk would but it does lose its lemon scent and flavor over time.