There are many reasons to go to a burger joint over the weekend. Those perfectly crunchy, crispy straight-from-the fryer- onion rings that come along with your burger are pretty much the reason why very few of us try to make them at home. We just don’t get the same results in our home fryer. Here are the secrets to the perfect golden-brown, crispy and crunchy onion rings. You can literally hear the crunch when you bite into them. These definitely are the world’s best onion rings.