Aunt sally`s cocoa drops

1/2 cup shortening
1 3/4 cups all-purpose flour
1 cup white sugar
1/2 teaspoon baking soda
1 egg
1/2 teaspoon salt
3/4 cup buttermilk
1/2 cup unsweetened cocoa powder
1 teaspoon vanilla extract
1 cup chopped walnuts

1.Mix thoroughly sugar, shortening and egg. Stir in buttermilk and vanilla. Sift dry ingredients and stir in. Add nuts.
2.Chill dough for 1 hour.
3.Preheat oven to 400 degrees F (200 degrees C). Drop by rounded spoonfuls onto the cookie sheet.
4.Bake 8 to 10 minutes. Cool. Frost with chocolate or white icing