I compared barbecue burgers from Burger King, Shake Shack, and Smashburger. The winner tasted surprisingly premium.

I tried barbecue-flavored burgers from Burger King, Shake Shack, and Smashburger and ranked them worst to best. Erin McDowell/Business Insider I tried barbecue burgers from Burger King, Shake Shack, and Smashburger. Burger King had the most classic barbecue burger with lettuce, tomato, and bacon. I liked Shake Shack's burger topped with fried onions the most. Tart, crunchy pickles, fried onions, and a hearty slathering of tangy, smoky barbecue sauce: that's what the best barbecue burgers ar...