The Buttery Smashed Jack™ from Jack in the Box is a rich and flavorful burger. It features a juicy ¼ lb. smashed beef patty, enhanced with a layer of melted garlic herb butter for an extra indulgent taste. It’s topped with natural Swiss cheese, grilled onions, and creamy Dijon mayonnaise, all served on a soft, buttery brioche bun.

Ingredients
- A juicy quarter-pound beef patty with crispy edges
- Garlic herb butter
- Melted cheese
- Lettuce, tomato, and onions
- Creamy mayo
- All served on a soft, toasted brioche bun
Nutrition Facts
Calories | 790 |
Total Fat (g) | 51 |
Saturated Fat (g) | 21 |
Cholesterol (mg) | 110 |
Sodium (mg) | 1030 |
Potassium (mg) | 430 |
Total Carbohydrate (g) | 51 |
Dietary Fiber (g) | 4 |
Sugar (g) | 13 |
Protein (g) | 33 |
Allergens
- Soy
- Milk
- Egg
- Wheat