Shake Shack is shaking up tax season with a juicy “rebate” for black truffle lovers. The chain’s burgers are made with a custom 100% Angus beef blend, never frozen, no hormones or antibiotics ever, humanely raised and grazed in the U.S. And one of its more popular signature menu items, the Black Truffle Burger is a quarter-pound patty topped with Gruyere cheese, black truffle sauce and crispy sweet onions — all on a toasted potato bun.
Image: Shake Shack
From April 10 to 27, 2025, Shake Shack is offering a FREE Black Truffle menu item with a minimum purchase of $10.40 at participating locations. The offer excludes all paid add-ons such as extra avocado or bacon.
Choose from one of the following Black Truffle menu items:
Black Truffle Burger
Black Truffle ‘Shroom*
Black Truffle Parmesan Fries
*The Black Truffle ‘Shroom is a crisp-fried Portobello mushroom filled with melted muenster and cheddar cheeses, topped with black truffle sauce and shredded lettuce — all on a toasted potato bun.
The offer is only valid for purchases placed at a kiosk in-restaurant or for delivery or pick-up via the Shake Shack app or at shakeshack.com. Use promo code TRUFFLETAX at checkout. (Note: Promo code must be entered in ALL CAPS.)
Limit one offer per order with a maximum savings of $11.99.
You must add at least $10.40 worth of food and/or drinks to your order, excluding the cost of the complimentary black truffle menu item. (Gift card purchases are also excluded.)
There are 9 locations in Colorado — Boulder, Castle Rock, Colorado Springs, Denver (3), Greenwood Village, Highlands Ranch and Lone Tree.
More Shake Shack savings — Shake Shack Offers ‘Worth It Wednesday’ Deal Every Week in 2025
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