Question: what fast food restaurant has the best milkshakes?
Answer: Steak 'n Shake. Overall, Chick-fil-A and Steak 'n Shake were close contenders for the number one spot. Chick-fil-A. PIN IT. ...  Dairy Queen. Dairy Queen is a definite chain favorite. ...  Sonic Drive-In. ...  Burgerfi. ...  Burger King. ...  Shake Shack. ...  Arby's. ...