City Matter Smashes the onions specifically in to the burger patty to the griddle, after which cooks until eventually the meat has crispy edges. Or check out their novel tackle a chili cheese coney, which puts a grilled hotdog and also a load of bean chili on to a burger https://www.google.com/maps/d/u/0/viewer?mid=1VwN9wrI51HR0ZD9XuY7kfCbLjbORoL0