What Off-Menu Items at Shake Shack Are Worth Trying?

When it comes to fast-food chains, there’s no doubt that Shake Shack reigns supreme. With its mouthwatering burgers and deliciously flavored milkshakes, Shake Shack attracts thousands of customers every day — and for good reason. Whether you are a burger enthusiast or just have a craving for something delicious, there’s always something exciting to try on the Shack’s menu. But did you know that Shake Shack also has a selection of off-menu treats that are well worth checking out?

If you’re looking to switch up your usual order at Shake Shack, you won’t want to miss out on these hidden gems. From secret menu items to regional specialties, there’s something unique to be found on every Shake Shack’s off-menu list. From the classic ShackBurger to the Malaysian Chicken Dog, here are some must-try off-menu items that will have you coming back for more.

Shake Shack is a Well-Known American Chain

Shake Shack is an American chain of fast-food restaurants founded in 2004 in New York City. It is now one of the most popular fast-food chains in the US and has locations throughout the country. It is well-known for its burgers, hot dogs, and milkshakes. But what many people don’t know is that Shake Shack has a variety of off-menu items that are not widely advertised but are definitely worth trying.


Shake Shack is best known for its burgers and shakes, but the fries are an often overlooked but tasty part of the meal. The Shack offers classic crinkle-cut fries, which are perfectly cooked with just the right amount of crunch. They are fried in vegetable oil and are lightly seasoned with natural sea salt. For an extra kick, order the ShackMeister Fries, which are tossed with spicy, tangy crispy shallots. These fries are the perfect side to any meal and are definitely worth a try.

Frozen Custard

Frozen custard is a frozen treat made from a base of cream, egg yolks, and sugar. Shake Shack serves a variety of flavors of frozen custard such as vanilla, chocolate, and strawberry. For an indulgent treat, order the Concrete which is a blend of frozen custard and your favorite mix-ins such as brownie, cookie dough, or candy. These are just a few of the delicious flavors and combinations you can find at Shake Shack.

Shack-cago Dog

The Shack-cago Dog is a classic off-menu item that is not widely advertised but is well-worth trying. It is a Vienna all-beef frankfurter with tomatoes, onions, pickles, relish, Sport Peppers, and a sprinkle of celery salt served on a warm Martin’s Potato Roll. This dog is a delicious alternative to the standard Shake Shack burger and is a great way to mix things up.


For a smaller bite, try the Shack Sliders. These bite-sized patties are perfect as a snack or as an appetizer before your meal. The Shack Sliders come with American cheese, pickles, and ShackSauce on a Martin’s Potato Roll. You also have the option of adding extras such as bacon or a fried egg for an extra fee.

Shroom Burger

If you’re looking for a more vegetarian-friendly option, the Shroom Burger is a must-try. This off-menu item is a delicious portobello mushroom with muenster and cheddar cheese, lettuce, tomato, ShackSauce, and mayo served on a Martin’s Potato Roll. The Shroom Burger is a flavorful option for vegetarians and meat-eaters alike.


Shake Shack is a well-known American chain of fast-food restaurants known for its burgers, hot dogs, and milkshakes. But what many people don’t know is that Shake Shack also has a variety of off-menu items that are worth trying. From fries and frozen custard to Shack-cago Dogs and Shroom Burgers, Shake Shack has something for everyone. So the next time you visit Shake Shack, don’t forget to ask about the off-menu items!

Frequently Asked Questions

Q1. What Off-Menu Items at Shake Shack Are Worth Trying?

Answer: The “PIBO” (pee-bo), which stands for” Pretzel-Bun & Cheese-Fried Option,” is not officially on Shake Shack’s menu, but it’s one of the most popular secret menu items. It’s essentially their classic cheeseburger, but it’s served on their signature pretzel bun and smothered in their delicious cheese sauce.

Q2. Is there an alternative vegan option?

Answer: Yes, you can order the “Vegan Shack.” It’s their signature vegan patty (a combo of roasted mushrooms, cocoa, and oat millet) topped with lettuce, tomato, pickles, onions, and vegan ShackSauce.

Q3. Are there any secret shake options?

Answer: Yes, you can order the “Chocolate PB & Banana Shake.” It’s a combination of rich chocolate shake, peanut butter, and banana syrup, creating a sweet and delicious treat.

Q4. Are there any hidden hot dog options?

Answer: Yes, you can order the “Hot Dog ShackMeister” which is a hot dog topped with ShackSauce, onions, and crispy fried Shallots.

Q5. Is there an off-menu breakfast option?

Answer: Yes, you can order the “Fried Egg Sandwich.” It’s a bacon cheeseburger topped with a fried egg, cheese, and ShackSauce.

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