Expiration & Storage Tips
When does salad dressing expire?
Unopened salad dressings can typically stay fresh for 9-12 months from the production date. This time can vary depending on the brand and type of dressing, so it's always a good idea to check the printed 'best by' date on the packaging. Once opened, most dressings will last for around 1-3 months if refrigerated. However, homemade dressings, especially those made with fresh ingredients such as garlic, herbs and dairy, must be consumed within a week, and always kept refrigerated.
How do you tell if salad dressing is bad?
There are a few signs that your salad dressing has gone bad. If the color or consistency of the dressing has changed, it might be time to toss it. For example, if your creamy dressing is now watery or your vinaigrette seems unusually thick, those could be signs that it's expired. A foul odor is also a clear indication that your dressing has gone bad. And mustard-based dressings may have a layer of oil at the top if they're old. Always remember when in doubt, throw it out.
Tips for storing salad dressing to extend shelf life
• Always refrigerate your dressing after opening it. This helps to keep it fresh and extends its life.
• For homemade dressings, use fresh ingredients and store it in airtight containers.
• Vinegar-based dressings will usually last longer than dairy or mayonnaise-based ones.
• If you don't use dressings often, consider buying smaller bottles to avoid having too much leftover that could potentially go bad.
• To further extend the shelf life of opened salad dressing, freeze it in ice cube trays for quick, easy serving portions. It will keep in the freezer for up to 6 months. Simply defrost in the fridge a few hours before you want to use it.