Butchers share the chain restaurants they say serve the best burgers, judging beef quality, flavor, and consistency.

If you're looking for a restaurant that serves fresh, never frozen beef burgers, you'll likely want to skip out on these ...

Fried sweet onions are on Shake Shack’s K-Shack BBQ burger, which was brought back in January as part of its expanded Korean barbecue lineup. Grilled onions and peppers are on Whataburger’s Monterey ...