Preheat oven to 375 degrees.
Cream butter, gradually add sugar beating until light and fluffy. Add flour and cocoa, mixing well.
Chill dough 2 hours or until firm. Wrap 1 tablespoon of dough around each chocolate kiss and roll to form a ball.
Place on ungreased cookie sheets and bake for 12 minutes.
Cool slightly on cookie sheets and remove to wire racks to cool completely.