To make bottom of broom, position candy corn cookie cutter on cookie sheet and fill 1/4 in. thick with melted yellow candy; add mini marshmallows and chopped nuts. Freeze to set and unmold.
Place candy broom bottom on cooling grid positioned cookie sheet; cover with melted yellow candy. Use melted yellow candy in cut disposable bag to pipe bristles on broom. Use melted orange candy in cut disposable bag to pipe lines on top of bristles. Attach stick to back with melted candy.