Plastic Baby
king cake

You can still get the good luck without actually eating the plastic baby!

Erik Rank/FoodPix/Getty Images

Not all unexpected ingredients are added to cake for their flavor. One in particular offers only tradition and fun, as is the case of the New Orleans King Cake. This colorful, sugary cake, traditionally served at Mardi Gras since the 1800s, contains a tiny plastic baby doll. Whoever gets the slice of cake with the baby is rewarded with good luck and the honor bringing the King Cake the following year.