Bacon & Swiss Buttery Smashed Jack™
Jack in the Box · United States
Updated September 23, 2026

Oils & additives
Explore the ingredients PRūF tracks. Possible alternatives are labeled. The ingredient statement is below.
Oils (2)
Additives (20)
- Annatto
- Beta-carotene
- Beta-carotene / β-apo-8′-carotenal
- Calcium peroxide
- Calcium phosphates
- Calcium propionate
- Dextrose
- EDTA (ethylenediaminetetraacetic acid; food-use salts)
- Maltodextrin
- Modified food starch
- Mono- and Diglycerides of Fatty Acids
- Monocalcium phosphate
- Potassium sorbate
- Propylene glycol alginate
- Sodium benzoate
- Sodium erythorbate
- Sodium nitrite
- Sodium phosphate (mono-; di-; and tribasic)
- Sodium stearoyl lactylate
- Xanthan gum
Nutrition
| Nutrient | Amount |
|---|---|
| Calories | 800 |
| Total fat | 53 g |
| Saturated fat | 23 g |
| Trans fat | 2.5 g |
| Cholesterol | 125 mg |
| Sodium | 1210 mg |
| Carbohydrate | 48 g |
| Fiber | 3 g |
| Total sugars | 11 g |
| Protein | 34 g |
Serving size: 221 g
Allergens
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See menu & allergens in the iPhone appIngredients
Bun, Gourmet Signature (Flour (Wheat, Malted Barley), Water, Sugar, Wheat Gluten, Yeast, Palm Oil, Contains less than 2% of each of the following: Salt, Enriched Wheat Flour (Wheat Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Ascorbic Acid, Calcium Peroxide, Enzymes, Calcium Sulfate, Dextrose, Mono- and Diglycerides, Sodium Stearoyl Lactylate, Monocalcium Phosphate, Natural Flavors, Corn Flour, Soybean Oil, Spices (Turmeric, Paprika), Calcium Propionate (preservative). Topping: Water, Vegetable Protein (Pea), Dextrose, Maltodextrin, Modified Food Starch. Contains Wheat) || Beef Patty, Smashed (Beef, Contains 2% Or Less Of Encapsulated Salt, And Natural Flavor.) || Bacon Slices (Fully Cooked Bacon Slices, Smoke Flavoring added, Cured with Water, Salt, Sugar, Smoke Flavoring, Sodium Phosphate, Sodium Erythorbate, Sodium Nitrite.) || Cheese, Real Swiss, Sliced (Part-Skim Milk, Cheese Culture, Salt, Enzymes. Aged over 60 days.) || Creamy Bacon Flavored Mayo (Soybean Oil, Water, Egg Yolks, Distilled Vinegar, Sugar, Yeast Extract, Salt, Contains Less Than 2% Of Bacon Fat (From Bacon Cured With Water, Salt, Sugar, Sodium Erythorbate, Sodium Nitrite. May Also Contain Smoke Flavoring, Dextrose, Brown Sugar, Sodium Phosphate, Potassium Chloride, Sodium Diacetate, Flavoring, Honey), Glucono Delta Lactone, Sodium Benzoate (Preservative), Potassium Sorbate (Preservative), Garlic*, Mustard Flour, Paprika, Natural Flavor (Includes Autolyzed Yeast), Xanthan Gum, Propylene Glycol Alginate, Calcium Disodium EDTA Added To Protect Flavor, Natural Smoke Flavor. *Dehydrated. Contains Egg OR Soybean Oil, Water, Egg Yolks, Distilled Vinegar, Sugar, Yeast Extract, Salt, Contains Less Than 2% Of Bacon Fat (From Bacon Cured With Water, Salt, Sugar, Sodium Erythorbate, Sodium Nitrite. May Also Contain Smoke Flavoring, Dextrose, Brown Sugar, Sodium Phosphate, Potassium Chloride, Sodium Diacetate, Flavoring, Honey), Glucono-Delta-Lactone, Sodium Acid Sulfate, Mustard Flour, Garlic Powder, Xanthan Gum, Paprika, Sodium Benzoate And Potassium Sorbate (Preservatives), Natural Flavor, Propylene Glycol Alginate, Natural Smoke Flavor, Calcium Disodium EDTA (Protect Flavor). Contains Egg) || Salt Packet (Salt, Sodium Silicoaluminate, Sodium Thiosulfate, Potassium Iodide.) || Sugar Cookie (Enriched Wheat Flour (Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Confectionery Coating (Sugar, Palm Kernel And Palm Oil, Dry Whole Milk, Lactose, Emulsifier Blend [Soy Lecithin, Sorbitan Tristearate, Polyglycerol Polyricinoleate], Vanilla Extract, Color Added [Vegetable Juices, Riboflavin, Annatto Extract, Spirulina Extract], Nonfat Dry Milk), Margarine (Palm Oil, Water, Salt, Mono- And Diglycerides, Natural Flavor, Citric Acid [Preservative], Beta-Carotene [Color], Vitamin A Palmitate), Flavored Butter (Cream, Natural Flavor), Sugar, Invert Sugar, Fructose, Water, Sweetened Egg Yolks (Egg Yolks, Sugar), Egg Whites (Egg Whites, Triethyl Citrate), Stabilizing Blend (Soy Flour, Corn Syrup Solids, Wheat Gluten, Sodium Alginate, Soy Lecithin, Soybean Oil, Enzyme), Salt, Natural Flavor (With Annatto Extract [Color] And Turmeric [Color]). Contains Wheat, Soy, Egg, Milk. Made In A Bakery That Uses Peanut & Tree Nut)
Sources
Jack in the Box nutrition & ingredient sourceUpdated September 23, 2026. Recipes and availability may vary by location.
Menu category: Burgers