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Sep 10, 2025

Shake Shack Debuts New French Onion Menu

Shake Shack's French Onion menu.
Heading into fall, Shake Shack launches a new, limited-time French onion soup-inspired menu headlined by the French Onion Soup Burger.

The menu is available at Shake Shacks nationwide on September 12, 2025, but is available now if you order through the Shake Shack website or mobile app.

Shake Shack's French Onion Soup Burger features one or more quarter-pound Angus beef patties topped with Gruyere cheese, caramelized onions, crispy-fried sweet onions, and roasted garlic parmesan aioli on a toasted potato bun. The burger is available with up to three beef patties and starts at $11.79 with one patty here in Los Angeles.

Other items on the French Onion Menu include:

- French Onion 'Shroom Burger - A crisp-fried portobello mushroom filled with melted Muenster and cheddar cheeses, topped with caramelized onions and roasted garlic parmesan aioli on a toasted potato bun. It costs $11.79 near me.

- French Onion Shack Stack - A quarter-pound Angus beef patty topped with Gruyere cheese, a 'Shroom Burger patty, caramelized onions, and roasted garlic parmesan aioli on a toasted potato bun. It costs $15.29 at my local Shake Shack.

Onion Rings - Crispy-fried, beer-battered sweet Spanish onion rings served with your choice of sauce. An order is $5.49 here.

- Parmesan Garlic Fries - Crinkle-cut fries dusted with parmesan cheese and served with a side of roasted garlic parmesan aioli. It costs $5.99 near me.

Photo via Shake Shack.

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