Whataburger Breakfast On A Bun: nutrition
Whataburger lists the Breakfast On A Bun in 2 sizes, from 360 calories (with Bacon) to 510 calories (with Sausage). The with Bacon has 16 g fat, 35 g carbohydrate, 18 g protein and 940 mg sodium.
Whataburger’s nutrition information for this item is dated March 29, 2021. It is the latest the chain publishes, so newer or changed recipes may differ.
Nutrition facts
| Per serving | with Bacon | with Sausage |
|---|---|---|
| Calories | 360 | 510 |
| Calories from fat | 140 | 250 |
| Total fat (g) | 16 21% | 28 36% |
| Saturated fat (g) | 6 30% | 11 55% |
| Trans fat (g) | 0 | 0 |
| Cholesterol (mg) | 230 77% | 265 88% |
| Sodium (mg) | 940 41% | 1,190 52% |
| Total carbohydrate (g) | 35 13% | 35 13% |
| Dietary fiber (g) | 1 4% | 1 4% |
| Total sugars (g) | 5 | 5 |
| Protein (g) | 18 36% | 27 54% |
Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Whataburger’s published amounts (how % Daily Value works). A dash means Whataburger does not publish that value for this size. 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, the with Bacon size is high in cholesterol (77%), sodium (41%), protein (36%), saturated fat (30%) and fat (21%) and is low in dietary fiber. Add it up with other items in the Whataburger nutrition calculator.
Allergens
Whataburger does not publish allergen information in its nutrition guide. It shows allergens only in its online ordering menu (on whataburger.com and in the Whataburger app), so this site has no allergen data for Whataburger items; check the ordering menu or ask the restaurant.
Other items in Breakfast at Whataburger
By calories (with Bacon), the Breakfast On A Bun ranks 1 of 9 in Whataburger’s Breakfast section, from lowest to highest.
| Item | Calories |
|---|---|
| Breakfast On A Bunwith Bacon | 360 |
| Taquitowith Cheese & Bacon | 400 |
| Buttermilk Biscuit Sandwichwith Bacon | 490 |
| Buttermilk Biscuit & Gravy | 490 |
| Jalapeño Cheddar Biscuit & Gravy | 490 |
| Jalapeño Cheddar Biscuit Sandwichwith Bacon | 500 |
| Honey Butter Chicken Biscuit | 580 |
| Breakfast Platterwith Bacon | 600 |
| Pancake Platterwith Bacon | 680 |
Nutrition for all 9 items in Breakfast at Whataburger
Browse the Whataburger menu by goal: high-protein items · low-calorie items
Breakfast sandwiches at other chains
Whataburger is one of 14 chains on this site that sell breakfast sandwiches. Of the 136 at other chains, 14 have fewer calories and 122 have the same or more than the Breakfast On A Bun (with Bacon), comparing each at its first listed size; portions differ, so check the serving on each item’s page.
| Item | Calories |
|---|---|
| Starbucks Turkey Bacon, Cheddar & Egg White Sandwich | 260 |
| Jack in the Box Extreme Sausage 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 |
| Arby's Bacon & Cheese Croissant | 330 |
| Dunkin' Egg and Cheese on English Muffin | 340 |
Compare all breakfast sandwiches side by side (137 items at 14 chains)
Sources
- 1 Whataburger, Whataburger Nutritional Information (PDF linked from the whataburger.com footer) Covers nutrition and menu · Nutritional information as of March 29, 2021 (nh-nutrition-0421) · Checked 8 Oct 2026
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