Potlucks are a gamble because, let's be honest, you are subjected to other people's food. Sure, that means it's likely free food, but at what cost? These folks shared the worst dishes that people brought to a potluck via this r/AskReddit thread, and let's just say that now I have zero desire to attend a potluck ever again. From brownies with ground meat in them to casseroles with a side of roaches, these Redditors were subjected to the absolute lowest of humanity when really, everyone could hav…