Jack in the Box Bacon Breakfast Jack Calories, Ingredients & Taste Test
Published: 12 Aug 2025
The Bacon Breakfast Jack is a savory breakfast sandwich from Jack in the Box, featuring crispy bacon, a freshly cracked egg, and a slice of melted American cheese, all tucked inside a warm, toasted bun.
While its name may suggest a morning-only item, this sandwich is actually available all day, making it a go-to choice for breakfast lovers anytime. It balances salty, smoky bacon with creamy cheese and the soft texture of egg, delivering a simple yet satisfying flavor profile.
This blog post gives you all the information regards calories, ingredients, source, and user taste as well.
Jack in the Box Bacon Breakfast Jack
The Bacon Breakfast Jack is a popular all-day breakfast item from Jack in the Box, known for its simplicity, affordability, and classic flavor. It’s part of the Breakfast Jack series, which combines familiar breakfast ingredients in a handheld sandwich.
This particular version swaps out ham or sausage for crispy, smoky bacon, giving it a savory edge that appeals to bacon lovers for just $3.79.

The sandwich features a warm, lightly toasted regular hamburger bun filled with a freshly cracked fried egg, melted American cheese, and two strips of bacon.
Ingredients in the Bacon Breakfast Jack
The Bacon Breakfast Jack is made with just a few key ingredients, offering a straightforward flavor that’s both savory and satisfying. It includes:
- Toasted Regular Bun – soft, slightly sweet white bread bun.
- Fried Egg – a freshly cracked egg, cooked with a run-free yolk.
- Crispy Bacon Strips – typically two slices, providing a smoky, salty bite.
- Melted American Cheese – creamy, processed cheese slice with a mild flavor.
Bacon Breakfast Nutritional Breakdown + Health Perspective
Here’s a detailed nutritional breakdown:
Nutrient | Amount (Approx.) |
Calories | 310 kcal |
Total Fat | 17g |
Saturated Fat | 6g |
Cholesterol | 215mg |
Sodium | 730mg |
Total Carbohydrates | 26g |
Sugars | 3g |
Dietary Fiber | 1g |
Protein | 16g |
Where the Calories Come From (Calorie Source Table)
Component | Estimated Calories |
Bacon (2 strips) | ~80 kcal |
Fried Egg | ~70 kcal |
American Cheese | ~50 kcal |
Toasted Bun | ~110 kcal |
Total | ~310 kcal |
How to Burn 310 Calories (Based on a 155 lb/70 kg Person)
Activity | Time Needed to Burn 310 kcal |
Walking (brisk, 4 mph) | ~60 minutes |
Jogging (5 mph) | ~30 minutes |
Cycling (moderate pace) | ~35 minutes |
Yoga | ~90 minutes |
Household Cleaning | ~75 minutes |
These times are approximate and can vary based on your body weight, intensity level, and metabolism. For those tracking fitness goals, a Bacon Breakfast Jack is manageable when balanced with daily activity.
Bacon Breakfast Jack Pros & Cons
Pros | Cons |
Quick and filling | High in sodium |
Savory flavor combination | Not suitable for vegetarians |
Budget-friendly | May lack freshness sometimes |
Jack in the Box Bacon Breakfast Jack Texture & Taste: A Bite-by-Bite Experience
As I unwrapped the Bacon Breakfast Jack, the first thing I noticed was its clean, minimal presentation. It’s not oversized or messy, just a neat, handheld sandwich with a golden toasted bun that’s soft to the touch but slightly crisp around the edges.
The bacon peeks out just enough to give it a tempting, smoky aroma, and the melted American cheese is visibly oozing slightly around the warm egg.

On the first bite, there’s an immediate contrast in textures; the bun is pillowy and warm, while the crispy bacon adds a salty crunch that hits the taste buds fast.
The egg is soft and fluffy, providing a neutral, hearty base that balances out the sharp saltiness of the bacon. The American cheese is creamy and mild, slightly melted into the egg, creating a smooth finish that ties it all together.
Overall, the flavor is comforting, nothing too bold or spicy, just a simple, satisfying blend of familiar breakfast elements. It’s the kind of sandwich you could eat with one hand while driving, but still enjoy every bite. Not gourmet, but definitely fulfilling, and surprisingly craveable.
Conclusion
The Bacon Breakfast Jack from Jack in the Box is a simple yet satisfying all-day breakfast option that blends crispy bacon, creamy cheese, and fluffy egg between a warm bun. With around 310 calories, it’s lighter than many fast food options and ideal for a quick bite on the go.
We’ve covered everything from ingredients and nutritional value to texture, taste, and even how to burn those calories. While it may not be the healthiest choice for every day, it’s definitely a convenient and comforting treat for bacon and breakfast lovers alike.
FAQs Bacon Breakfast Jack
The Bacon Breakfast Jack is a breakfast sandwich from Jack in the Box that features a freshly cracked egg, crispy bacon, and a slice of American cheese, all served on a warm toasted bun. Despite being labeled as a breakfast item, it’s available all day long at most locations.
The Bacon Breakfast Jack contains approximately 310 calories. This includes calories from the egg, bacon, cheese, and bun. It’s a relatively light option compared to other fast-food breakfast sandwiches.
The core ingredients in the Bacon Breakfast Jack include:
- Toasted regular hamburger bun
- Fried egg
- American cheese
- Two strips of bacon
If you order the original Breakfast Jack, it typically contains ham instead of bacon.
The original Breakfast Jack (with ham instead of bacon) contains approximately 280 calories, slightly fewer than the bacon version.