Jordan almonds are almonds coated with candy; they can be bittersweet, but not in France where we like them just plain sweet :)
In many countries, brides and grooms give them as favors. In France, we like to give them at other celebrations too, such as baptisms. Next time you receive some jordan almonds, pay attention: if there are five of them, it's to represent five wishes: longevity, wealth, happiness, fertility and happiness.
I am a French expat living in the USA, more precisely