PREP Reduce cup oj on med to ¼ cup; cool. Melt 16 oz semi/sweet/choc over bain.
ASSEMBLY Pour chocolate into parchmented sheetpan to ¼" thickness;
spatula/swirl in cooled oj, creating thin channels. Sprinkle on cup candied
orange peel and cup rough-chp salted pistachio; press into chocolate.
FINAL Cool completely; chocolate hardens; break into pieces.