Expiration & Storage Tips
When does cornichons expire?
Unopened, cornichons can last for up to 2 years past the 'best by' date printed on the jar, thanks to their pickling process. However, once opened, they should be refrigerated an eaten within a month for the best flavor, although they can still be safe up to 3 months thanks to the vinegar preserving. They are typically not frozen in households as it can alter the texture and flavor.
How do you tell if cornichons is bad?
Some signs that your cornichons have gone bad are an off smell, any visible mold, or if the brine (the mixture they are immersed in) has become cloudy. Always trust your nose and your eyes - if the pickles smell off or strange, or if there's any noticeable ropey strands or slime in the jar, throw them out.
Tips for storing cornichons to extend shelf life
• Always make sure to store your cornichons in a cool, dry place until opened.
• After opening the jar, ensure it's tightly sealed before storing in the refrigerator. The less exposure to air, the better.
• Keeping them submerged in their pickling brine in the jar will help to keep them fresher for longer.
• Using clean and dry utensils to get the cornichons out of the jar can prevent contamination and extend their shelf life.