Rugelack is a delicious pastry in the form of a crescent, usually made with a sour cream dough and stuffed with a filling such as fruit preserves. As a true family favorite, Marge rolls and covers her recipe with a cinnamon, sugar and chopped nuts mixture. Yum! Take these to the next family get-together and watch them magically disappear. For the recipe and baking instructions, hop on over to A Sweet and Savory Life.