Nonna Angelina Purpura’s Italian Sprinkle Cookies

The Italian sprinkle cookie has become a cult holiday favorite and Nonna Angelina’s are some of the best I’ve ever had. Her secret is a powdered vanilla extract that comes in packets called Vanillina by the Italian brand Paneangeli (“bread of angels”). Unlike many recipes that require you to cool the cookies completely before glazing, Nonna Angelina glazes them while they’re nice and hot, resulting in the sugar drying a pure white color that really makes th