Jack in the Box Sourdough Breakfast Sandwich: nutrition and allergens

Nutrition facts

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 (130%), saturated fat (110%), protein (80%), sodium (71%) and fat (65%). Add it up with other items in the Jack in the Box nutrition calculator.

Allergens

According to Jack in the Box, the Sourdough Breakfast Sandwich contains milk, egg, wheat and soy.

Not in the allergen guide under this name; allergens are the codes printed next to the item in the nutrition guide.

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 Sourdough Breakfast Sandwich ranks 15 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.

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, 129 have fewer calories and 2 have the same or more than the Sourdough Breakfast Sandwich, comparing each at its first listed size; portions differ, so check the serving on each item’s page.

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