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US chain restaurant menus, nutrition and allergens

Jack in the Box Extreme Sausage Sandwich: nutrition and allergens

The Extreme Sausage Sandwich at Jack in the Box has 260 calories, 14 g fat, 25 g carbohydrate, 5 g protein and 690 mg sodium per serving (68 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
English muffin breakfast sandwich with scrambled egg, cheese and bacon on a plate
Illustrative photo, not Jack in the Box’s product · Rene Roa / Pexels · About our photos

Nutrition facts

Extreme Sausage Sandwich nutrition facts
Serving size68 g
Calories 260
Calories from fat 120
Total fat (g) 14 18%
Saturated fat (g) 7 35%
Trans fat (g) 0
Cholesterol (mg) 0 0%
Sodium (mg) 690 30%
Potassium (mg) 75 2%
Total carbohydrate (g) 25 9%
Dietary fiber (g) 2 7%
Total sugars (g) 2
Protein (g) 5 10%

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 (35%) and sodium (30%) and is low in potassium and cholesterol. Add it up with other items in the Jack in the Box nutrition calculator.

As published by Jack in the Box: 0 mg cholesterol for a 260-calorie sausage sandwich. This looks like a misprint in the source.

Allergens

According to Jack in the Box, the Extreme Sausage Sandwich contains milk, egg, wheat, soy and sesame.

Allergens reported by Jack in the Box for the Extreme Sausage Sandwich
MilkContains
EggContains
FishNot listed
Crustacean shellfishNot listed
Tree nutsNot listed
PeanutsNot listed
WheatContains
SoyContains
SesameContains

Buns contain sesame in some regions.

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 Breakfast at Jack in the Box

By calories, the Extreme Sausage Sandwich ranks 3 of 16 in Jack in the Box’s Breakfast 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 Breakfast at Jack in the Box by calories
ItemCalories
Hash Brown 190
Classic French Toast Sticks3 pc. 230
Extreme Sausage Sandwich 260
Bacon Breakfast Jack 380
Breakfast Jack 410
Ultimate Breakfast Sandwich 510
Meat Lovers Breakfast Burrito 580
Classic French Toast Sticks Platter with Bacon 620
Sausage Breakfast Jack 620

Nutrition for all 16 items in Breakfast at Jack in the Box

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

Breakfast sandwiches at other chains

Jack in the Box is one of 14 chains on this site that sell breakfast sandwiches. Of the 131 at other chains, none has fewer calories than the Extreme Sausage Sandwich, comparing each at its first listed size; portions differ, so check the serving on each item’s page.

Breakfast sandwiches at other chains by calories
ItemCalories
Starbucks Turkey Bacon, Cheddar & Egg White Sandwich 260
Chick-fil-A Bacon, Egg & Cheese Muffin 300
Chick-fil-A Egg White Grill 300
McDonald’s Egg McMuffin 310
Burger King Egg & Cheese Croissan'wich 310
Whataburger Egg Sandwich 310
Arby's Bacon & Cheese Croissant 330
Dunkin' Egg and Cheese on English Muffin 340

Compare all breakfast sandwiches side by side (132 items at 14 chains)

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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