Sugar Cookies

1 cup sugar
1/3 cup butter
1/4 cup shortening
1/2 tsp. vanilla
1 egg
2 2/3 cups flour
1 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt
2/3 cup sour cream

Cream sugar, butter and shortening. Add egg and vanilla - cream together. Stir in flour, baking powder, baking soda and salt. Add sour cream. Don't overmix! Chill for 2 hours. Roll onto flour surface 1/4" thick. Bake at 375 for 7-10 minutes. Bottoms will be lightly brown with no browning on top.

Sour Cream Frosting

1/2 cup softened butter
1/3 cup sour cream
1/2 - box powdered sugar

Cream together. Beat until fluffy.