'I'll have a hamburger, hold the bun' If you are on a grain free diet, it's more than likely that you've spoken these words, either at a restaurant or backyard barbecue. A hamburger without a bun is more like a meat patty than a hamburger, though. It defeats the whole point of a handheld packet of meat and filling. Here are 10 options that I've used to create grain free paleo hamburger buns. Feel free to mix your favorite bun with your favorite fillings. I hope you enjoy the ideas! 1. Paleo…