Pure vanilla extract, made from real vanilla beans and containing at least 35% alcohol, has an indefinite shelf life when stored correctly. This means that even bottles that have been in your pantry for years can still be safe to use. However, while pure vanilla extract remains safe, its flavor quality may diminish over time, particularly if it has been improperly stored.

To ensure the best flavor, it’s advisable to perform a sniff test. If the aroma is weak or lacks the familiar sweet scent, it might be time to replace it. Additionally, as pure vanilla extract ages, the alcohol may evaporate, which can intensify the vanilla flavor, making it stronger in some cases.

On the other hand, imitation vanilla extract, which is made from synthetic vanillin, typically has a shelf life of about 3 to 4 years. After this period, it may begin to lose its potency. While it can still be usable for up to a year past its expiration date, it’s recommended to use more of it in recipes to compensate for any loss of flavor.

Proper storage is crucial for maintaining the quality of vanilla extract. Here are some tips to ensure your vanilla extract stays fresh:

Temperature: Store vanilla extract at room temperature (between 60 and 80 degrees Fahrenheit). Avoid placing it near heat sources like stoves or dishwashers, as temperature fluctuations can degrade its quality.

Light Exposure: Keep vanilla extract in a dark place. Many extracts come in dark bottles to protect them from light, which can also affect flavor. If your extract is in a clear bottle, consider transferring it to a dark container.

Air Exposure: Ensure that the bottle has a tight-fitting lid to prevent air and moisture from entering, which can lead to spoilage.

For those who purchase larger bottles, consider decanting small amounts into a separate container for regular use. This minimizes the number of times the large bottle is opened, reducing exposure to air and potential contamination.

While pure vanilla extract is unlikely to spoil, there are a few signs that indicate it may be time to replace it:

Mold: If you see any mold inside the bottle or on the lid, it’s time to discard it.

Off Smell: A strong, unpleasant odor is a clear indication that the extract has gone bad.

Cloudiness or Sediment: If the extract appears cloudy or has floating particles, it's best to throw it away.

In summary, pure vanilla extract does not expire in the traditional sense and can last indefinitely if stored properly. However, its flavor may diminish over time. Imitation vanilla extract has a shorter shelf life but can still be used for some time after its expiration date. By following proper storage techniques and being mindful of any changes in smell or appearance, you can enjoy the delicious flavor of vanilla extract for years to come. Happy baking!

For more information on vanilla extract and its uses, check out Real Simple and Feed Me Better.