2/3 c. butter, softened
1 c. granulated sugar
1 1/2 tsp. vanilla
1 egg
1/2 c. Hershey cocoa
1/2 tsp. baking soda
1/4 tsp. salt
1/3 c. buttermilk or sour milk
1 1/2 c. unsifted all-purpose flour

Cream butter and granulated sugar in a large bowl and baking soda and salt. Alternately add flour mixture and buttermilk (or sour milk) to creamed mixture.

Drop by teaspoonful 2 inches apart onto a large cookie sheet. Bake at 350 degrees for 7-9 minutes. Remove from cookie sheet. Cool on a wire rack. Frost if desired.