A lot of liqueurs and cordials, like crème liqueurs, may spoil and become undrinkable after a year or more. Even if your bottle isn't on the verge of spoiling, it's best to store them strictly according to their storage guidelines. Because they can lose their flavors over just a few months, if opened.

How long will cordials keep?

While some cordials and liqueurs can remain intact for maybe a year or two, most of the time, the sugar and other preservatives will leave it deteriorating after only a few months. Cream-based liqueurs such as Bailey's or Kahlua only have a shelf life of up to 18 months before they start to break down.

Do liqueurs have a shelf life?

Once the manufacturer bottles the liquor, it stops aging. ... It should be noted that liqueurs — sweetened, distilled spirits with added flavors, such as fruit, spices, or herbs — will last up to 6 months after opening. Cream liqueurs should be kept cold, ideally in your fridge, to extend their shelf life (4, 5).