Ordering the sourdough breakfast sandwich at Jack in the Box? At 410 calories per serving, it's 19% of an average 2,200 kcal day. Protein-per-calorie: 20%.
healmeal logs this item in two taps. Search by name, or scan the Jack in the Box menu live with your camera. The portion is editable if you ordered a half-size or shared.
Nutrition values are published by Jack in the Box for a standard preparation. Modifications (extra sauce, no cheese, etc.) will change the totals. healmeal handles modifiers in-app.
FAQ
How many calories are in Jack in the Box's sourdough breakfast sandwich?
Jack in the Box's sourdough breakfast sandwich has 410 calories per serving.
How much protein is in a sourdough breakfast sandwich at Jack in the Box?
A sourdough breakfast sandwich at Jack in the Box has 20g of protein per serving.
Is the sourdough breakfast sandwich a good macro-friendly choice at Jack in the Box?
Yes. About 20% of the calories come from protein, which is a solid ratio for a sit-down or quick-service meal.
Can I log Jack in the Box sourdough breakfast sandwich in healmeal?
Yes. The menu scanner reads Jack in the Box's menu with your camera, or you can search by name. Modifiers like extra protein or no sauce update the totals.
Last updated 20 May 2026
