White Christmas Cookies

1/2 cup shortening
1/2 cup butter
2 cups sugar
2 tsp. vanilla
1 tsp. salt
3 eggs
1 cup sour cream
1 tsp. baking soda
2 tsp. baking powder
4 to 6 cups flour

Cream shortening, butter, vanilla and salt together until well-blended.
Add eggs and beat well. Add sifted dry ingredients and sour cream.

Chill dough. Roll to desired thickness and cut with cookie cutter. Bake at 425 degrees on greased cookie sheets for 10 min.