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US chain restaurant menus, nutrition and allergens

Jack in the Box Bacon Double Smashed Jack: nutrition and allergens

The Bacon Double Smashed Jack at Jack in the Box has 1,120 calories, 83 g fat, 49 g carbohydrate, 45 g protein and 2,070 mg sodium per serving (339 g), according to Jack in the Box’s nutrition information.

Values converted by script from official files; text drafted with AI assistance From Jack in the Box’s nutrition information Last checked How pages are made
Bacon cheeseburger with melted cheddar on a toasted brioche bun
Illustrative photo, not Jack in the Box’s product · Hayden Plus1 / Pexels · About our photos

Nutrition facts

Bacon Double Smashed Jack nutrition facts
Serving size339 g
Calories 1,120
Calories from fat 750
Total fat (g) 83 106%
Saturated fat (g) 30 150%
Trans fat (g) 4.5
Cholesterol (mg) 170 57%
Sodium (mg) 2,070 90%
Potassium (mg) 740 16%
Total carbohydrate (g) 49 18%
Dietary fiber (g) 2 7%
Total sugars (g) 9
Protein (g) 45 90%

Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Jack in the Box’s published amounts (how % Daily Value works). A dash means Jack in the Box does not publish that value for this item. Not published for this item: added sugars.

Using the FDA’s rule of thumb that 5% of the Daily Value or less per serving is low and 20% or more is high, one serving is high in saturated fat (150%), fat (106%), sodium (90%), protein (90%) and cholesterol (57%). Add it up with other items in the Jack in the Box nutrition calculator.

Allergens

According to Jack in the Box, the Bacon Double Smashed Jack contains milk, egg, wheat and soy.

Allergens reported by Jack in the Box for the Bacon Double Smashed Jack
MilkContains
EggContains
FishNot listed
Crustacean shellfishNot listed
Tree nutsNot listed
PeanutsNot listed
WheatContains
SoyContains
SesameNot listed

Jack in the Box kitchens handle soy, egg, fish, milk, wheat and sesame, and shared equipment means an item can pick up one of these even when its ingredients do not list it. Grilled vegetables, eggs and some bakery items are cooked with a butter-flavored vegetable oil that adds soy. The allergen guide does not cover dressings, crunchy toppings, dipping sauces or sauce packets within other items; those are listed on their own. Guests with food allergies are advised to consult their physician and to recheck the information often, since menus and ingredients change.

Filter the whole Jack in the Box menu by allergen

Other items in Burgers & More at Jack in the Box

By calories, the Bacon Double Smashed Jack ranks 15 of 15 in Jack in the Box’s Burgers & More section, from lowest to highest. The table shows the 9 items nearest to it; each item is compared at its first listed size.

Nearby items in Burgers & More at Jack in the Box by calories
ItemCalories
Jumbo Jack Cheeseburger 600
Sourdough Jack 690
Classic Smashed Jack 720
Classic Buttery Jack 780
Bacon & Swiss Buttery Jack 800
Double Jack 830
Ultimate Cheeseburger 840
Bacon Ultimate Cheeseburger 930
Bacon Double Smashed Jack 1,120

Nutrition for all 15 items in Burgers & More at Jack in the Box

Browse the Jack in the Box menu by goal: high-protein items · low-calorie items

Sources

  1. 1
    Jack in the Box, 2026 Nutrition Facts (Jack in the Box nutrition guide) Covers nutrition, allergens and menu · Printed as "effective as of November 2026" · Checked 8 Oct 2026
  2. 2
    Jack in the Box, Allergens Reference Guide Covers allergens · Checked 8 Oct 2026

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