sötebrödsdagar

Etymology
Compound of, originally referring to Passover, when the Jewish people according to the Bible were to eat unleavened bread.

Noun

 * 1)  period of happiness and prosperity; halcyon days

Usage notes
"The halcyon days of youth" and the like would more commonly be expressed as "ungdomens glada dagar" (the happy days of youth). "Sötebrödsdagar" refers to a period of prosperity generally.