Gingerbread house is placed under the Christmas tree for decorative desserts, is baked gingerbread (eaten at Christmas time small shortbread, usually made of honey, brown sugar, almonds, candied fruit peel and spices) combined into a miniature cottage in a variety of shapes, and then decorated with sweets and decorations. It is said that at the time of the Crusades, ginger was an expensive imported spice, so it was only used for important festivals such as Christmas and Easter. Ginger was added to cakes and cookies to add flavor and to keep the cold away. Over time, gingerbread became the snack associated with Christmas. Later, there were "gingerbread markets" in Europe, which offered different shapes of gingerbread depending on the season. Nuremberg, Germany is known as the "Gingerbread Capital". In England, there is a legend that if an unmarried woman eats gingerbread, she will meet her ideal partner. With the Christmas spirit, gingerbread was soon popularized as a Christmas snack. On December 6, St. Nicholas Day, in northern France and Germany, godfathers and godmothers would send gingerbread in various shapes, such as hearts and stars and human figures, to children, or sneak them into their stockings in anticipation. Gradually gingerbread became the material of fairy tales, made into a variety of shapes of gingerbread houses, and the Americans have pushed the atmosphere of gingerbread houses to the extreme, and become y echoed around the world gingerbread houses.