Deli & Prepared Foods
How long does macaroni salad, deli, mayo-based last?
deli, mayo-based
Fridge
5–7 days unopened
After opening: 3–5 days
Storage tips from USDA
Same 2-hour room-temp rule as other mayo-based salads.
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Storage estimates for this item are from USDA Food Safety and Inspection Service. ok2eat collates shelf-life data from multiple public, trusted sources and normalizes to days for comparability. See our directory home for the full source list.