These are very simple, but you will find NO better cookie anywhere! On the down side, they do require advanced preparation (overnight is best). Included are a couple of filling recipes, but a can of pre-made will work too. (Apricot is best) When rolling out dough, try to keep it as chilled as possible. To cream the cottage cheese, it helps if you have a food processor or blender, but a fork and a strong arm will do in a pinch. Mix ingredients and chill at least 6 hours. Roll to 1 cm thickness. Cut into 2 or 8 cm squares, and place filling or preserves in center of square. Bring corners over filling and seal together. Bake at 350 25 to 30 minutes. Remove and dust with powdered sugar. Pineapple Filling: Combine ingredients in sauce pan, cook stirring constantly until thickened. Cool. Apricot Filling: Simmer apricot 10 minutes. Add sugar and simmer 10 minutes more. Remove from heat and add butter and cinnamon. Cool.