Every year at Passover, Rosie's grandma puts four matzah balls in each bowl of chicken soup. But Rosie wants to know, why does she need four of them? So Grandma tells Rosie the funny story of the famous matzah ball contest that occurred many years ago, one that would forever change her view of what was meant by the best matzah ball.Young readers will love finding the hidden matzah in each Seder scene, and then making their own matzah balls with the recipe in the back of the book.