1In large bowl, combine sugar and butter; beat until light and fluffy. Add buttermilk, sour cream, almond extract, vanilla and egg yolks; beat well.
2Lightly spoon flour into measuring cup; level off. Add 4 cups flour and all remaining ingredients; mix well. With wooden spoon, stir in remaining 1 1/3 cups flour. Cover dough with plastic wrap; refrigerate at least 4 hours or overnight for easier handling.
3Heat oven to 425°F. Lightly grease cookie sheets or spray with nonstick cooking spray. Shape dough into 1 1/2-inch balls. On floured surface, roll each ball into 10-inch-long rope; shape into figure eight (8) or pretzel shape. Place on greased cookie sheets.
4Bake at 425°F. for 6 to 9 minutes or until edges are light golden brown. Immediately remove from cookie sheets.