Soft Sugar Cookies

Directions

1. 1
   Preheat the oven to 375F (190C).
2. 2
   Sift the flour, soda, and salt together, and set aside.
3. 3
   Work the shortening and butter together, with a spoon, until fluffy and creamy.
4. 4
   Add the sugar slowly, continuing to work until light.
5. 5
   Then add the egg yolk and beat until light and fluffy.
6. 6
   Add the flour mixture alternately with the buttermilk, beating well after each addition.
7. 7
   Stir in the vanilla and then gently fold in the stiffly beaten egg white.
8. 8
   Drop by rounded tablespoonfuls 3 inches apart on a greased cookie sheet.
9. 9
   Flatten with a spatula to 1/2-inch thickness.
10. 10
    Bake in the preheated over for 20 minutes or until done.
11. 11
    Makes 18 cookies.