Whataburger Breakfast On A Bun® is a popular breakfast sandwich made with a fresh egg, American cheese, and your choice of bacon or sausage served on a toasted 4-inch bun. The bacon version contains about 360 calories, while the sausage version has around 510 calories, with the sausage option also containing more fat, sodium, and protein. Prices can vary by location, so checking the Whataburger menu or app is the best way to find the current local price. For allergens, the sandwich may contain egg, milk, wheat, and soy, and Whataburger notes that cross-contact with other allergens can occur during preparation.
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💲 Price & Calorie Summary
| Menu Item | Price | Calories |
| Breakfast On A Bun® | $4.39 | 525 Cal |
📅 What’s Included
- Freshly prepared breakfast sandwich served on a toasted bun.
- Egg for a filling source of protein.
- American cheese for a creamy, savory flavor.
- Choice of bacon or sausage depending on the order.
- A convenient breakfast option that can be paired with coffee, hash browns, or a breakfast drink.
🍞 Bread Options
| Type | Size | Extra Charge | Calories |
| Small Bun | 4″ | No extra charge | 170 Cal |
| Toast Both Sides | — | — | — |
| Brioche Bun | 4″ | No extra charge | 230 Cal |
🍖 Protein Options
| Protein | Price | Calories |
| Sausage | $4.39 | 220 Cal |
| Bacon | $4.39 | 55 Cal |
🍳 Egg Options
| Egg Style | Extra Charge | Calories |
| Egg | No extra charge | 90 Cal |
🧀 Cheese Options (Included)
| Cheese Type | Extra Charge | Calories |
| American Cheese | No extra charge | 45 Cal |
| Monterey Jack Cheese | No extra charge | 60 Cal |
| No Cheese | — | 0 Cal |
➕ Popular Add-Ons
| Add-On | Price | Calories |
| American Cheese | $0.50 extra | 45 Cal |
| Monterey Jack Cheese | $0.60 extra | 60 Cal |
| Extra Sausage | $1.00 extra | 210 Cal |
| Extra Bacon | $1.00 extra | 45 Cal |
| Grilled Jalapeños | $0.65 extra | 10 Cal |
| Jalapeños | $0.65 extra |
🌶️ Ranchero Add-On
| Ranchero Option | Price | Calories |
| Picante Style – Jalapeños in Egg | $0.50 extra | 5 Cal |
⚠️ Allergen Information
| Allergen | Present |
| Wheat | Yes |
| Soy | Yes |
| Gluten | Yes |
| Sesame | Yes |
| MSG | Yes |
| Egg | Yes |
| Milk | Yes |
📊 Nutrition Facts
| Nutrition | Value |
| Weight (g) | 188 |
| Calories | 525 |
| Calories from Fat | 290 |
| Total Fat (g) | 32 |
| Saturated Fat (g) | 12 |
| Trans Fat (g) | 0 |
| Cholesterol (mg) | 250 |
| Sodium (mg) | 1,190 |
| Total Carbohydrates (g) | 34 |
| Dietary Fiber (g) | 1 |
| Sugars (g) | 5 |
| Protein (g) | 26 |
🧾 Ingredients Breakdown
- Bun: A toasted bun provides the sandwich base and contributes carbohydrates and calories.
- Egg: A cooked egg adds protein, fat, and a rich breakfast flavor.
- Protein: Customers can choose sausage or bacon as the main meat option.
- Cheese: American or Monterey Jack cheese adds creaminess, flavor, and additional calories.
- Jalapeños: Regular or grilled jalapeños can be added for a mild to spicy kick.
- Picante Style: Jalapeños can also be mixed into the egg for an extra flavorful option.
- Seasonings: The ingredients may include various seasonings and flavoring components used during preparation.
🍽️ Best Pairing Whataburger Menu Items with Breakfast On A Bun®
| Menu Item | Price | Calories |
| Hash Brown Sticks | $1.99 | 190 Cal |
| Cinnamon Roll | $2.99 | 580 Cal |
| Pancakes | $3.49 | 630 Cal |
| Biscuit with Bacon | $2.59 | 355 Cal |
| Taquito with Cheese | $2.79 | 440 Cal |
| Orange Juice | $1.99 | 140 Cal |
| Biscuit with Sausage | $2.59 | 520 Cal |
| Egg Sandwich | $2.59 | 310 Cal |
| Small Coffee | $1.49 | 0 Cal |
🤔 FAQs About Whataburger Breakfast On A Bun®
1. What comes with the Breakfast On A Bun®?
The Breakfast On A Bun® includes a toasted bun, egg, cheese, and your choice of breakfast protein such as sausage or bacon.
2. Can I customize the cheese?
Yes. You can choose between American cheese and Monterey Jack cheese, or order the sandwich without cheese.
3. Are there allergens in this item?
Yes. The listed allergens include wheat, soy, gluten, sesame, egg, milk, and MSG.
4. Can I substitute the protein?
Yes, you can choose between available protein options such as sausage and bacon when customizing your sandwich.
5. Is it available all day?
No. The Breakfast On A Bun® is generally part of Whataburger’s breakfast menu and is served during breakfast hours.
6. Can I get it on a brioche bun?
Yes. A 4-inch brioche bun can be selected as an alternative to the standard bun.
7. Can I remove the egg?
Yes. You can request the sandwich without egg, although removing ingredients may affect the final calorie and nutrition values.
8. What sauce goes best with it?
A spicy or savory breakfast sauce can complement the egg, cheese, and meat. Jalapeños are another good choice if you prefer extra heat.
9. Can I add extra meat?
Yes. Extra sausage or bacon can be added for an additional charge.
10. Is it high in protein?
The listed Breakfast On A Bun® provides about 26 grams of protein, making it a relatively protein-rich breakfast option.
11. What’s the sodium content?
The listed sandwich contains approximately 1,190 mg of sodium, so it is relatively high in sodium.
12. Can I make it spicy?
Yes. You can add regular or grilled jalapeños, or choose the Picante Style option with jalapeños incorporated into the egg.
13. What drinks pair well?
Coffee, orange juice, or another breakfast beverage can pair well with the sandwich.
14. Is it kid-friendly?
It can be a kid-friendly breakfast, especially when customized with simple ingredients and a mild flavor profile.
15. Can I order it online?
Yes, if the item is available at your local Whataburger, you can typically order it through Whataburger’s online ordering or mobile app.
16. Is it popular?
Yes. The Breakfast On A Bun® is a convenient and customizable breakfast choice, particularly for customers who prefer a traditional egg, cheese, and meat sandwich.

Stoke is a passionate burger enthusiast and the author behind Burger Menu Nest. He shares delicious burger ideas, recipes, toppings, menu inspiration, and simple cooking tips to help readers enjoy better burgers at home.