Shake Shack is adding the deeply savory taste of French onion soup to its new seasonal burger lineup and officially debuting a highly requested new side -- onion rings -- to the menu for the first ...

Shake Shack is leaning premium again. The chain rolled out a French Onion Soup Burger on September 9 through its app, with a wider launch coming Sept. 12, priced at $10.99. The burger is built on a ...

The leading star of its soup-but-solid menu is the new French Onion Soup Burger, which is accompanied by other items that feature Gruyère cheese, caramelized onions and garlic Parmesan. A standout on ...

The fan-favorite fast food chain has made one of its most beloved limited-time offerings a full-time menu item. Shake Shack makes onion rings a permanent menu item after strong fan demand.

A cold-weather classic, French onion soup, is coming to a fast-food chain — but not in a crock. Shake Shack just announced it is launching a French onion-inspired menu, with flavors inspired by the ...