New Orleans pralines are not the chocolate-filled pralines you may know from Europe. Here, the word usually means a sweet, creamy confection associated with sugar, dairy and pecans.
A local evolution
Praline traditions arrived through French influence and changed in Louisiana, where pecans became a defining ingredient. Over generations, the confection developed into something strongly associated with New Orleans and Creole food culture.
What do they taste like?
Expect something very sweet, rich and nutty, with texture varying from creamy to slightly grainy depending on the recipe.
You probably do not need several at once. This is a small treat with considerable ambition.
Easy to find
Sweet shops and specialty stores around tourist areas sell pralines, and you will encounter both traditional versions and modern variations.
If samples are available, use the opportunity to compare styles before buying a box.
A useful souvenir
Pralines are easier to carry home than gumbo or a po’boy, making them a natural edible souvenir. Check any relevant food import rules for your destination before travelling internationally.
I would still eat at least one while you are in New Orleans. A praline tastes better when you can follow it with a walk through the French Quarter and pretend the sugar was necessary fuel for sightseeing.