My grandmother always puts cloves in onions – here’s why this French technique changes everything.

just a tradition, it was pure culinary magic. Today, I use this trick with almost every savory dish that simmers for hours, and I’ve even passed it on to my children. But why put cloves in an onion?

What is a pierced onion? The French art of seasoning.

In classic French cuisine, this method is known as “onion piqué” or “cloué.” The word   “clou   ” means “nail” in French, and   “cloué”   can be literally translated as “nailed.” This perfectly describes how the nails are driven into the onion like tiny nails.