Sloppy Joe dry spice mixes do not spoil. Canned or jarred sloppy Joe mixes should not be consumed past the "best by" or "use by" date on the package.
Dry spices do not spoil, but their flavor diminishes over time. A dry mix for sloppy Joe does not expire but loses flavor the longer it remains unused. For maximum flavor, dry spices and mixes should be used within three years of purchase date. Canned or bottled sloppy Joe mixes should be used by the date stamped on the packaging for health safety reasons. After the date marked, companies are not held liable for any harm or illness that comes from consuming post-date food even if it does not appear spoiled.