1BEAT brown sugar, shortening and vanilla in large bowl with an electric mixer at medium speed until well blended. Add eggs; beat until fluffy.
STIR together flour, cocoa, salt and baking soda. Gradually add to shortening mixture, beating at medium speed just until blended. Stir in chocolate chips. Cover and chill 3 hours.
HEAT oven to 375ºF. Shape dough into 1 1/4-inch balls. Roll in granulated sugar, then in powdered sugar to coat completely. Place 2 inches apart on ungreased baking sheet.
BAKE 8 to 10 minutes or until cookies are set. Cool 2 minutes on baking sheet. Remove to wire rack to cool completely.