Sour Cream Pastries ~ They are a family favorite!
Start with 2 cups of flour and 1 cup of butter (chilled, cut into pieces):
Using pastry cutter or 2 knives, cut butter into flour
until mixture resembles fine crumbs:
Add 1 cup of sour cream. Mix with a fork:
After mixing well, press dough together and chill for at least four hours:
(Preheat oven to 400 degrees.)
After chilling, divide dough into 2 parts. Take first half and roll into a 10 inch circle. (Tip: use a lot of flour on counter or board before rolling out dough.) Spread with cinnamon sugar and finely chopped nuts. Cut into 16 wedges: 
Roll each wedge from outside in, creating a crescent shape. Place on baking sheet. Repeat with remaining half of dough:
Bake for 20 minutes at 400 degrees.
Prepare Glaze:
Mix together 1 cup of powdered sugar, 1-2 Tablespoons of water (not too much!), and 1/2 teaspoon of vanilla.
Place pastries on a cooling rack over waxed paper.
Drizzle glaze over warm pastries.
Enjoy!