PREPARATION:

1. Preheat oven to 350°F. Combine flour, cocoa, baking soda and salt in medium bowl; set aside.
2. Beat brown sugar, butter and shortening in large bowl with electric mixer at medium speed until light and fluffy. Add eggs and vanilla; beat until well blended. Gradually add flour mixture beating at low speed until blended. Stir in chocolate pieces, raisins and peanuts.
3. Drop dough by 1/4 cupfuls 3 inches apart onto ungreased cookie sheets. Flatten slightly with fingertips. Bake 13 to 15 minutes or until almost set. Cool 2 minutes on cookie sheets. Transfer to wire racks; cool completely.