8 Things You Didn't Know About Mayo

8 Things You Didn't Know About Mayo
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8 Things You Didn't Know About Mayo

Check out this slideshow to have all of your questions answered about mayo!

When was it invented and how was it named?

According to TLC, mayo was invented in 1756 by a French chef in celebration of a French victory over the British at Port Mahon. The chef had orders to make a sauce from egg and cream but when he realized he didn't have any cream, he substituted olive oil. It was named Mahonnaise after the location of the battle.

What is it?

Mayonnaise is a mixture of egg yolks and oil that also often features vinegar, mustard, herbs and spices.

What makes mayo, mayo?

For mayo to be considered "real" by the Food and Drug Administration, it must contain a minimum of 65% oil as well as vinegar and egg or egg yolks and use only egg to emulsify. Store-bought mayo can last up to six months in the fridge.

What's one of the strangest things about mayo?

Mayo is an emulsion which means that it involves the combination of liquids that wouldn't ordinarily combine. The most common example of these are oil and water.

The egg yolk serves as the emulsifier and holds together the lemon juice or vinegar, egg yolk and oil. But even with the egg yolk, if oil isn't whisked into the mixture slowly enough, the liquids still may not join.

Image Credit: Getty Images

Is it that bad for you?

According to Fox News Magazine, just one spoonful of mayo adds 100 calories and 10 grams of fat to your food. You may want to think about that before you pack a chicken salad sandwich for lunch.

Does that contain mayo?

Mayo is an ingredient in other condiments and dressings such as thousand island (made from mayo, ketchup, relish, spices and herbs), tartar sauce (made from mayo, pickled cucumbers and onion) and even ranch (made from mayo, buttermilk and green onion)!

Image Credit: Jupiter Images

What is the Difference Between Aioli and Mayo?

Today, mayo and aioli are often more or less the same thing. They are created in the same way but aioli tends to be flavored and to have garlic. Originally, aioli was simply an emulsion of extra virgin olive oil and garlic but egg yolk is often added to help the mixture emulsify more quickly. The taste of vegetable oil vs. extra virgin olive oil also helps distinguish the two.

Image Credit: Getty Images

What Else can Mayo be used for?

Believe it or not, according to Wisegeek.org, mayo has some cosmetic uses! The spread can actually soften hair when used as a conditioner and can help improve imperfections when used as a facial mask and left on for 15 or 20 minutes. It is sometimes recommended to fight head lice and can even ease the pain of sunburn!

Image Credit: Frances Janisch


One of the most prominent sandwich condiments, mayo, seems to be everywhere. Love it or hate it, it is hard to avoid. But how much do we really know about the sauce?

Check out the slideshow above to learn how mayo came into existence, what makes mayo, mayo, and what popular dressings and sauces contain the spread.

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