Shake Shack offers the rich, deep flavors of classic French onion soup with the nationwide launch of the new French Onion Soup Burger at participating locations.
Arriving just in time for fall, the French Onion Soup Burger is the star of Shake Shack’s French Onion Menu, which also includes the French Onion ‘Shroom Burger, French Onion Shack Stack, Parmesan Garlic Fries, and Onion Rings.
Here’s a closer look at Shake Shack’s French Onion lineup:
- French Onion Soup Burger ($10.99): Angus beef patty with Gruyere, caramelized onions, crispy onions, and roasted garlic parmesan aioli on a toasted potato bun.
- French Onion ‘Shroom Burger ($11.29): Crisp-fried portobello stuffed with melted Muenster and cheddar, topped with caramelized onions and roasted garlic parmesan aioli on a toasted potato bun.
- French Onion Shack Stack ($14.29): Angus beef patty stacked with a ‘Shroom Burger, Gruyere, caramelized onions, and roasted garlic parmesan aioli on a toasted potato bun.
- Onion Rings ($5.49): Beer-battered rings made from sweet Spanish onions, with your choice of sauce.
- Parmesan Garlic Fries ($5.99): Crinkle-cut fries tossed with parmesan, served with roasted garlic parmesan aioli.
The French Onion menu rolls out at participating Shake Shack locations nationwide for a limited time starting September 12, 2025, with early access available now via the app or online. Prices may vary.
