How Shake Shack makes their cheeseburgers so delicious

http://www.foxnews.com/leisure/2015/02/27/how-shake-shack-makes-their-cheeseburgers-so-delicious/?lang=en&utm_campaign=10today&flab_cell_id=2&flab_experiment_id=19&uid=153834883&utm_content=article&utm_source=email&part=s1&utm_medium=10today.0227&position=6&china_variant=False