On the second floor of Water Tower , you can choose by yourself. The way to bill the economical and delicious buffet is to calculate the weight, so you can pick some beef or fish with a relatively high unit price. The type of very cost-effective green vegetables should be the most in my view in Chicago. Generally, I buy green vegetables and meat. Go back to cook and eat. WildCARD with Northwestern can get a 10% discount, very cost-effective