sour cream sugar cookies

2 c. sugar (1 powder and 1 granulated)
1 c. butter
2 large eggs
1 tsp. vanilla
1 c. sour cream
5 c. sifted flour
2 tsp. baking powder
3/4 tsp. soda
1/2 tsp. salt

chill for 1 hour

bake at 350 degrees for 8 minutes.

*original recipe from mom via barbara weston