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US chain restaurant menus, nutrition and allergens

Jack in the Box Sausage Croissant: nutrition and allergens

The Sausage Croissant at Jack in the Box has 710 calories, 47 g fat, 36 g carbohydrate, 36 g protein and 1,690 mg sodium per serving (242 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

Sausage Croissant nutrition facts
Serving size242 g
Calories 710
Calories from fat 420
Total fat (g) 47 60%
Saturated fat (g) 16 80%
Trans fat (g) 0
Cholesterol (mg) 515 172%
Sodium (mg) 1,690 73%
Potassium (mg) 420 9%
Total carbohydrate (g) 36 13%
Dietary fiber (g) 2 7%
Total sugars (g) 4
Protein (g) 36 72%

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 cholesterol (172%), saturated fat (80%), sodium (73%), protein (72%) and fat (60%). Add it up with other items in the Jack in the Box nutrition calculator.

Allergens

According to Jack in the Box, the Sausage Croissant contains milk, egg, wheat and soy.

Allergens reported by Jack in the Box for the Sausage Croissant
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 Breakfast at Jack in the Box

By calories, the Sausage Croissant ranks 12 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
Classic French Toast Sticks Platter with Bacon 620
Sausage Breakfast Jack 620
Loaded Breakfast Sandwich 690
Classic French Toast Sticks Platter with Sausage 700
Sausage Croissant 710
Classic French Toast Sticks Platter with Bacon & Sausage 780
Supreme Croissant 790
Sourdough Breakfast Sandwich 810
Grande Sausage BurritoWith salsa 1,040

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, 125 have fewer calories and 6 have the same or more than the Sausage Croissant, 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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