This is a classic Polish cookie that my mom and Bushia used to make at Christmas time. Ive found that this is a really hard dough to work with, but it is from the original Polish recipe translated into English. These are not really sweet cookies, but they get most of their sweetness from the powdered sugar on the outside.
Polish rogaliki mean "little horns" because of their shape. There are many versions -- some recipes require rolling the dough and cutting it into triangles, adding a dollop of filling and rolling, like Jewish rugelach. This recipe is for a hand-formed cookie similar to Polish Christmas Crescents, described in 1., above, except these are made with almonds. They melt in your mouth.