Top Egg Questions Answered

Our cooking expert Marge Perry answers the most-asked questions about cooking and storing eggs.

  • Top Egg Questions Answered: Marge Perry

    Top Egg Questions

    Marge Perry, the voice of culinary wisdom behind our "Ask the Expert" blog, is an award-winning food writer and instructor at the Institute for Culinary Education in New York City.  Read on for her eggs tips and expert advice on the most common questions about cooking and storing eggs.


  • Hard-Cooked Eggs

    Green Eggs

    If your eggs bring to mind the Dr. Suess story,  fear not. For one thing, “green” eggs are not in anyway unsafe, nor do they taste off—but they are unsightly. The discoloration around the yolk...

    Why do my hard cooked eggs get green?

  • Why Are Hard-Cooked Eggs Hard to Peel?
    Photo: Becky Luigart-Stayner; Styling: Cindy Barr

    Peeling Hard-Boiled Eggs

    Believe it or not, eggs that are very fresh are harder to peel after they're cooked than eggs that have been in the refrigerator for a week or so before you cook them. That extra time allows some air to develop between the egg and the shell.

    Why are some hard-cooked eggs so hard to peel?

  • <p>Storing Raw Eggs</p>

    Storing Raw Eggs

    Check the sell by date on the carton. Eggs will keep for several weeks beyond that date. Refrigerated eggs rarely spoil, but their quality...

    How Long Do Raw Eggs Keep in the Refrigerator?

  • Is It True That Eggs and Milk Should Not Be Kept in the Door of the Refrigerator?
    Photo: Lee Harrelson; Styling: Mindi Shapiro, Laura Martin

    Storage Location

    It is true: the door is the warmest spot in your fridge. When you open the door of your refrigerator, items stored there are...

    Is It true that eggs and milk should not be kept in the door of the refrigerator?

  • Breakfast Benefits

    Storing Hard-Boiled Eggs

    Refrigerate leftover hard-boiled eggs in the shell within two hours of cooking and they should keep well for over one to one and a half weeks. It's best to place them...

    How Long Can I Keep Leftover Hard-Boiled Eggs?

  • <p>Roasting an Egg</p>

    Roasting an Egg

    The key to roasting the egg for the Passover Seder meal is to start by hard-cooking it. When you try to roast a raw egg, it will explode...

    How Do I Roast an Egg for My Passover Seder Plate?

  • Creamy Scrambled Eggs
    Photo: James Carrier

    Egg Safety

    Yes and no. Cooking eggs can make them safe, but it depends how well they are cooked: runny scrambled eggs, soft boiled eggs, and the lightly browned meringue topping on pies are all “cooked” to some extent—but not enough to kill off e.coli and salmonella, the contaminants...

    Does Cooking Eggs Make Them Safe?

  • Can I Substitute Real Eggs for Egg Substitute?
    Photo: Lee Harrelson; Styling: Ana Kelly, Mindi Shapiro

    Egg Substitutes

    You can almost always replace substitute with real eggs, but the reverse is not necessarily true. Some egg substitutes...

    Can I Substitute Real Eggs for Egg Substitute?


  • Can You Freeze Eggs?
    Southern Living

    Freezing Eggs

    If frozen, the yolks undergo a change of texture—they get thick and gummy; some would say gel-like. Many recipes would suffer from this change of texture, so you’re better off...

    Can You Freeze Eggs?

  • How Can I Tell If My Egg Whites Are Beaten to a Soft Peak or a Stiff Peak?
    Photo: Becky Luigart-Stayner; Styling: Leigh Ann Ross

    Beating Egg Whites

    At the soft peak stage, egg whites are shiny. When you lift the beater, the whites lift up and tgracefully curve over slightly. When folding egg whites into a batter, you generally beat them to the soft peak stage.

    The stiff peak stage occurs after sugar has been added. At this point, the lifted beater leaves tall, erect peaks, like little soldiers.

    How Can I Tell If My Egg Whites Are Beaten to a Soft Peak or a Stiff Peak?

  • More About Eggs

    More About Eggs

    For more information on cooking with eggs and using eggs in recipes, watch our how-to videos and see our recipe collections:

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