City Subject Matter smashes the onions straight into the burger patty over the griddle, after which you can cooks right until the meat has crispy edges. Or try their novel tackle a chili cheese coney, which places a grilled hotdog plus a load of bean chili on to a burger https://www.google.com/maps/d/u/0/viewer?mid=1VwN9wrI51HR0ZD9XuY7kfCbLjbORoL0