Pantry
How to Store Mayonnaise
A creamy emulsion of oil, egg yolk, and acid used as a condiment or dressing base.
Pantry
3–6 months (unopened)
Fridge
2–3 months (opened)
Freezer
Not recommended
How to store it
- •Store unopened jars in a cool, dark pantry away from direct sunlight or heat sources.
- •Once opened, keep the jar tightly sealed and store it in the main body of the refrigerator.
- •Avoid storing mayo in the refrigerator door where temperature fluctuations are most common.
- •Always use a clean, dry utensil when scooping to prevent bacterial cross-contamination.
Signs it has gone bad
- •Noticeable yellowing or brownish discoloration of the cream.
- •Sour, off, or putrid odor indicating bacterial growth.
- •Visible mold growth on the surface or around the jar rim.
- •Complete separation of oil from the egg base that will not reintegrate.
Pro tips
- •Commercial mayonnaise is shelf-stable until opened thanks to high acidity and pasteurization.
- •Homemade mayo lacks preservatives and must be refrigerated immediately and used within 4 days.
- •Discard any mayonnaise that has been left at room temperature for more than two hours.
Frequently asked questions
How long does mayonnaise last in the fridge?+
In the refrigerator, mayonnaise keeps for 2–3 months (opened). Store it correctly and use the oldest first.
Can you freeze mayonnaise?+
Freezing mayonnaise isn't recommended — it doesn't hold up well and the texture suffers.
What is the best way to store mayonnaise?+
Best kept in the pantry (unopened) / refrigerator (opened). Store unopened jars in a cool, dark pantry away from direct sunlight or heat sources.
How can you tell if mayonnaise has gone bad?+
Signs that mayonnaise has spoiled include: noticeable yellowing or brownish discoloration of the cream., sour, off, or putrid odor indicating bacterial growth., visible mold growth on the surface or around the jar rim.. When in doubt, throw it out.
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