The croutons can also be stored at room temperature, in the refrigerator, or frozen. However, it's best to keep them on the counter or frozen. This helps to prevent humidity and moisture from entering the croutons, causing them to become stale and less crispy.

Do you have to refrigerate croutons after you open them?

Store croutons in zip-top bags or in airtight foodstorage containers at room temperature for up to three days or in the freezer for several weeks. They also keep in the fridge for several days with only a small loss of crunchiness.

How long do croutons last after opening?

CROUTONS, COMMERCIALLY PACKAGED — UNOPENED OR OPENED PACKAGE

Properly stored, a package of croutons will generally stay at best quality for about 8 to 10 months. To maximize the shelf life of opened croutons, keep package tightly closed.