The Biggest Jack in the Box Burger Just Arrived—Here's What You Need to Know

fomo_fighter · 2025-12-31T09:06:16+00:00

Jack in the Box's Big Smashed Jack, their largest burger yet, features double quarter-pound patties and rich toppings. Acknowledging customer demand, the brand enhances its menu with limited-time deals, including anniversaries and seasonal items, promoting value and innovation in fast food.

fomo_fighter

2025-12-31 09:06:16

Abstract generation in progress

Jack in the Box is turning heads with the Big Smashed Jack, officially the biggest jack in the box burger offering yet. Packed with nearly triple the beef compared to competitors and crafted with two quarter-pound smashed patties, melty American cheese, fresh lettuce, onions, pickles, and Boss Sauce on a triple brioche bun, this upgrade delivers serious flavor and substantial size.

Why the Biggest Jack in the Box Burger Matters

Since its debut in 2024, the original Smashed Jack earned recognition as the best burger in fast food. The brand listened to customer demand and upsized the concept into what’s now the biggest jack in the box burger on the menu. The upgrade showcases Jack in the Box’s commitment to quality and portion size, directly challenging the competition with juicier, bolder offerings that satisfy serious appetite demands.

February Through April: Limited-Time Deals Worth Your Attention

Celebrate 74 Years with a Classic Deal From February 17 to February 23, grab a Jumbo Jack for just 74 cents—a nod to Jack in the Box’s 74th anniversary. It’s a throwback deal that honors decades of fast-food innovation.

The Breakfast Value Play The $5 Big Deal Breakfast Meal is hard to beat: choose between a ham, bacon, or sausage Breakfast Jack, paired with crispy hash browns and three French Toast Sticks with syrup. Perfect for anyone looking to start the day without breaking the bank.

March Madness Momentum Jack Pack members unlock serious savings with BOGO 50% off deals on the Jumbo Jack, Ultimate Cheeseburger, and Jr. Jumbo Jack Cheeseburger (February 24 through March 30). Later, from March 24 to April 6, the Jr. Jumbo Jack Cheeseburger drops to just $1.29.

Lucky Mint Moments and Loaded Sides

The Lucky Mint Trio brings seasonal vibes: Oreo Mint Shake, Oreo Mint Mocha Sweet Cream Iced Coffee, and Mint Twisted Soda. From March 14 to March 17, customers enjoy a free Lucky Mint Trio beverage with any $5 minimum order for Jack’s Sweet St. Patty’s Day Deal.

Sauced & Loaded Waffle Fries round out the menu—crispy fries smothered in cheddar and nacho cheese sauce, topped with bacon and buttermilk ranch drizzle. It’s indulgence on a plate.

The Bottom Line

Available through April 7 in-store, online, or via the Jack App, these limited-time offerings prove Jack in the Box continues innovating beyond burgers. Whether you’re chasing the biggest jack in the box burger experience or hunting for deal value, the window to try everything is narrow. The combination of the Big Smashed Jack’s beef-forward appeal, breakfast affordability, and seasonal beverages creates a compelling reason to visit during this promotional stretch.

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