can remain shelf-stable and why the condiment itself is not always the main cause when a picnic salad causes illness. (Allrecipes)
However, once the jar is opened, dirty knives, crumbs, tuna, chicken, or other ingredients can introduce contamination. Refrigeration remains the sensible storage choice.
How Long Can Mayonnaise Sit at Room Temperature?
The common two-hour food-safety rule applies most importantly to perishable dishes containing mayonnaise, such as:
Tuna salad
Chicken salad
Potato salad
Egg salad
Sandwiches with meat or eggs
These foods contain moisture and protein-rich ingredients that
