The Classic Smashed Jack™ from Jack in the Box is a timeless burger crafted for flavor lovers. It features a ¼ lb. smashed beef patty made with 100% seasoned beef, topped with melty American cheese, pickles, grilled onions, and their signature Boss Sauce. All of this is served on a soft, buttery brioche bun, creating a satisfying and flavorful bite.

Ingredients
- A juicy quarter-pound beef patty with crispy edges
- Garlic herb butter melted on top
- Melted cheese (type varies by version, usually Swiss or cheddar)
- Lettuce, tomato, and onions
- Creamy mayo
- All served on a soft, toasted brioche bun
Nutrition Facts
Calories | 700 |
Total Fat (g) | 46 |
Saturated Fat (g) | 18 |
Cholesterol (mg) | 90 |
Sodium (mg) | 1290 |
Potassium (mg) | 420 |
Total Carbohydrate (g) | 45 |
Dietary Fiber (g) | 2 |
Sugar (g) | 6 |
Protein (g) | 26 |
Allergens
- Soy
- Milk
- Egg
- Wheat