Know when to keep that extra egg salad, and when to toss it.

This rule also applies to similar mayonnaise-based salads like chicken, tuna, ham, andmacaroni salads.

The key words are “properly stored.”

Freshly prepared egg salad sandwich

Credit: Azurita / Getty Images

What does that mean?

But there’s more.

What Is The Two-Hour Rule?

Can You Freeze Egg Salad?

Freezing egg salad is not recommended.

The texture will change and the mayonnaise can separate and become watery.

Eggs also tend to become rubbery after freezing.

How Long Can You Store Hard-Boiled Eggs?

Fresh egg salad should be creamy and smooth with a mild scent.

Spoiled egg salad will smell sour or have a sulfurous odor likerotten eggs.

The texture may be watery or slimy, which may be a sign of bacterial growth.

If left longer, it can develop dark spots and mold.

Chilling them before cutting can also help.

Celery also releases its water, so consider omitting if your egg salad is runny with it.

Like other mayonnaise-based salads, chicken salad with egg will last three to four days in the refrigerator.

FoodSafety.gov.Cold food storage chart.

Centers for Disease Control and Prevention.About Four Steps to Food Safety.

U.S. Department of Agriculture.How Long Can You Keep Hard Cooked Eggs?