Preheat the oven to 350 degrees.
In a large mixing bowl, cream together butter, sugar and salt. Beat until light and fluffy. Add vanilla and eggs one at a time, continuously beating.
Gradually add flour and cocoa powder, beating until well incorporated.
Place dough in Cookie Press with desired disk. Press dough out onto an ungreased baking sheet.
Bake for 4 minutes, remove from oven and quickly place candy corn pieces on each cookie. Return to oven and bake for an additional 3 to 4 minutes. Remove from oven and allow to cool completely on baking sheet before transferring to serving dish.