If you're interested in turning your next holiday party into a social experiment, consider bringing some of these Christmas classics to the table, because nothing says conversation piece like a large snowman made of cottage cheese. History has produced some seriously weird Christmas food trends and quite a few of them have managed to stick around. Holiday foods from centuries ago may come across as unappetizing because of how much tastes have changed. On the other hand, Christmas trends of 20th-century America took weirdness to a whole other level.