1. Heat oven to 375° F.
2. In a large bowl, use a hand mixer to combine sugar and butter until light and fluffy.
3. Add sour cream and eggs and blend well.
4. Add remaining cookie ingredients and mix well.
5. Place rounded spoonfuls of cookie dough onto a non-greased cookie sheet.
6. Bake for 8 to 11 minutes or until edges are light golden brown.
7. Remove from cookie sheet to cool, then serve.