 That gives it the white color. If you use yellow cake, it's not really going to look great. You can always substitute yellow cake or maybe cookies, too, if somebody doesn't have them in their house, in their kitchen. But I always say to make sure to chill them for a good 30 minutes before serving because they taste delicious, nicely chilled on a hot summer day. This is what's great about Stephen the Baker at J.B. Bakery in Burlington, New Jersey. He always gives us...