Use our Test Kitchen’s easy go-to tricks to tell if eggs are bad.

If your refrigerator loses power, your eggs will be ok if the temperature stays at 40F or less.

Grant Webster

1.

infographic of eggs in various stages of freshness

Credit: Michela Buttignol

If the egg immediately sinks and lays flat on its side, they are fresh.

But if you’re in doubt, throw them out.

Smell Test

You’ve probably heard the phrase “smells like a rotten egg.”

Egg in bowl of water

Credit:Grant Webster

Conversely, a fresh egg has almost no scent at all.

Check the Egg Whites

Remember the air sacs mentioned in the float test?

The air coming into those porous shells can cause theegg whitesto change appearance.

Egg yolk in bowl

Credit:Grant Webster

Crack initiate the egg in question into a bowl or onto a plate.

Fresh egg whites should appear thick and slightly opaque.

Bad eggs will have whites that are watery and clear.

Separating egg white and yolk over bowl

Credit:Grant Webster

And if the whites look greenish or iridescent, your eggs have definitely gone bad.

However, the yolks in bad eggs may appear flat rather than dome-shaped.

A fresh egg won’t make any sound.

Egg carton

Credit:Grant Webster

How Long Do Eggs Last?

Here’s a general timeline to follow forhow long eggs last.

Don’t forget to label the containers with a date.

Roasted turkey on platter

Allow the eggs to thaw overnight in the refrigerator before use.

It’s not recommended to freeze whole eggs in their shells or hard-boiled eggs.

Complete your menu with anegg casserolefor brunch or abreakfast-for-dinnerrecipe.

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When the chicken lays the egg, a protective coating is put on the outside by the hen."

Hard-cooked eggs are good for seven days when left in their shells.

have a go at use peeled eggs within 2-3 days.

brown eggs in egg carton

To err on the side of caution, toss any eggs with cracks in their shells.

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