11 Things You Didn’t Know about Mayonnaise

A jar of mayonnaise

Image via Wikipedia

We have recently covered two of the three “condiment triumvirate” – Ketchup and Mustard.

Today, a look at mayo.

1. The three building blocks of mayonnaise are raw egg yolks, vegetable oil, and vinegar. Seasoning, mustard, and lemon juice may be added for flavor.

2. The source of the word “mayonnaise” is unknown, but one guess is that it is derived from moyeu, Old French for egg yolk.

3. Mayonnaise is made by slowly adding oil to an egg yolk, while whisking vigorously to disperse the oil. The resulting emulsion is what we spread on sandwiches and burgers.

4. Mayonnaise is mostly fat. a serving of one tablespoon (13 grams) contains 90 calories! No wonder “Hold the mayo” has become such a popular expression by weight watchers at fast food joints.

5. homemade mayonnaise will spoil after 3-4 days.

6. Contrary to popular belief , industrial mayo does not spoil if not refrigerated. Commercial mayonnaise is filled with acid and preservatives that can actually extend the life of salads by killing bacteria. The eggs used in prepared mayonnaise are pasteurized as well.

7. Hellmann’s (known as Best Foods west of the Rockies) is the leading US mayonnaise brand. It became part of multinational food conglomerate Unilever a few years ago. According to Unilever, it has over 50% market share.

8. Tartar sauce is mayonnaise spiced with pickled cucumbers and onion.

9. Thousand Island dressing is ketchup, pickle relish, assorted herbs and spices mixed into a mayonnaise base.

10. Ranch dressing is made of buttermilk, mayonnaise, and minced green onion.

11. In the Netherlands, mayonnaise, not ketchup, is the condiment of choice for french fries.

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  • vmb

    Why not include anything about gmo soybean oil being one of the primary ingredients in Hellman’s and Best Foods?

    • soc333

      This site doesn’t mention GMOs….I find that interesting

      • hjb123

        Actually you can adjust your settings to alert you to GMOs. It says high probability for me.

  • pooooooop!!!!


  • Shit


  • Alyse

    great info! I would of loved to see more of the ingredients listed in mayo discussed as I’ve looked them up myself but many other consumers don’t take that time…

  • Mayo Mom

    Are expiration dates on mayo portion packs obsolete ?

  • Sharkfinnflash

    Read the science of GMOs. Worry about added ingredients more.