Everyone knows how Santa Claus spends Christmas Eve, but for this decorating challenge, host Eddie Jackson asks five talented cookie makers to imagine what Christmas Eve looks like for Mrs. Claus. Judges Stephanie Boswell, Ree Drummond and Molly Yeh know that Santa's better half deserves the very best, so only the top three move on to the display challenge, where they have to craft gorgeous fireplace mantels out of cookies with ingredients like Brazil nuts, hazelnuts or macadamia nuts. It's one tough nut to crack, but one cookie maker's fireplace scene will outshine ...