1/2 c. butter, softened
1 c. sugar
1 egg
1 tsp. vanilla
1 1/2 c. unsifted all purpose flour
1/3 c. unsweetened cocoa (Hershey's)
1/2 tsp. baking soda
1/2 tsp. salt
1/4 c. milk
1 c. (6 oz. pkg.) semi sweet chocolate chips

Cream butter, sugar, egg and vanilla in large mixing bowl until light and fluffy. Combine flour, cocoa, baking soda and salt in small mixing bowl; add alternately with milk to creamed mixture, blending well. Stir in chocolate chips. Drop by spoonfuls onto ungreased cookie sheet. Bake at 375 degrees for 10 to 12 minutes or until almost set. (Do not overbake.) Cool 1 minute. Remove from cookie sheet; cool completely on wire rack. Makes about 3 1/2 dozen cookies.