Eat Yourself Lucky: Good Luck Foods for New Year's Day Round Cakes and Breads Eating round or ring-shaped cakes, pastries, and breads is a popular New Year's tradition in various countries. In Greece, families bake vassilopita, a cake containing a hidden good-luck coin. Italians eat sweet panetonne, Mexicans enjoy the ring-shaped rosca de reyes cake, and the Dutch indulge in puffed, doughnut-like ollie bollen.