Whataburger Breakfast On A Bun® Price, Nutrition, and Allergens
The Whataburger Breakfast On A Bun® is one of the brand’s most iconic breakfast sandwiches, designed for people who want a filling, handheld meal to start the day. With a toasted bun, savory sausage or bacon, a real egg, and melted cheese, it delivers classic Whataburger flavor in every bite.
This breakfast sandwich is ideal for commuters and anyone who prefers a bun-based option instead of a biscuit.

Read full article: Whataburger menu with prices
What Is the Whataburger Breakfast On A Bun®?
Breakfast On A Bun® features a freshly cooked egg, melted cheese, and your choice of sausage or bacon, all stacked inside a warm, toasted bun. It’s fully customizable with different buns, proteins, cheeses, and add-ons.
Available during breakfast hours only.
Price & Calorie Summary
This item offers a balanced mix of protein and calories for a satisfying breakfast.
Pricing remains competitive compared to other premium breakfast sandwiches.
|
Menu Item |
Price |
Calories |
|---|---|---|
|
Breakfast On A Bun® |
$4.39 |
525 Cal |
A hearty, filling breakfast option with solid energy value.
What’s Included
Every standard Breakfast On A Bun® comes with these core ingredients:
- Small toasted bun (or brioche bun)
- One fresh egg
- One sausage patty or bacon
- One slice of cheese
- Customization options available
Simple, filling, and highly customizable.
Bun Options
Your bun choice affects both flavor and calorie count.
You can switch buns at no extra cost.
|
Bun Type |
Extra Charge |
Calories |
|---|---|---|
|
Small Bun |
No extra charge |
170 Cal |
|
Brioche Bun |
No extra charge |
230 Cal |
👉 Classic option: Small Bun
👉 Richer taste: Brioche Bun
Protein Options
Choose your preferred protein to match your taste and calorie needs.
Both options are included in the base price.
|
Protein |
Extra Charge |
Calories |
|---|---|---|
|
Sausage Patty |
No extra charge |
220 Cal |
|
Bacon |
No extra charge |
55 Cal |
👉 More filling: Sausage
👉 Lighter choice: Bacon
Egg Options
Egg comes standard and adds protein to the sandwich.
No extra charge applies for the regular egg.
|
Egg Style |
Extra Charge |
Calories |
|---|---|---|
|
Fresh Egg |
No extra charge |
90 Cal |
Cheese Options (Included)
Cheese can be changed or removed based on preference.
All cheese options are included unless you add extra slices.
|
Cheese Type |
Extra Charge |
Calories |
|---|---|---|
|
American Cheese |
No extra charge |
45 Cal |
|
Monterey Jack |
No extra charge |
60 Cal |
|
No Cheese |
No charge |
0 Cal |
Popular Add-Ons
Add-ons allow you to build a more filling or flavorful sandwich.
Calories and price increase depending on your choices.
|
Add-On |
Extra Charge |
Calories |
|---|---|---|
|
American Cheese |
$0.50 |
45 Cal |
|
Monterey Jack Cheese |
$0.60 |
60 Cal |
|
Extra Sausage |
$1.00 |
210 Cal |
|
Extra Bacon |
$1.00 |
45 Cal |
|
Grilled Jalapeños |
$0.65 |
10 Cal |
|
Jalapeños |
$0.65 |
0 Cal |
👉 Best protein upgrade: Extra sausage
👉 Best heat option: Jalapeños
Ranchero Add-On
Ranchero-style adds a spicy twist without adding many calories.
It mixes jalapeños directly into the egg.
|
Ranchero Style |
Extra Charge |
Calories |
|---|---|---|
|
Picante Style (jalapeños in egg) |
$0.50 |
5 Cal |
Nutrition Facts
This sandwich is protein-rich but higher in sodium and fat.
Ideal for a filling breakfast rather than a light meal.
|
Nutrient |
Amount |
|---|---|
|
Calories |
525 |
|
Calories from Fat |
290 |
|
Total Fat |
32g |
|
Saturated Fat |
12g |
|
Trans Fat |
0g |
|
Cholesterol |
250mg |
|
Sodium |
1190mg |
|
Carbohydrates |
34g |
|
Dietary Fiber |
1g |
|
Sugars |
5g |
|
Protein |
26g |
High protein makes it satisfying, but sodium is on the higher side.
Allergen Information
This item contains multiple common allergens.
Not suitable for people with gluten or dairy intolerance.
|
Allergen |
Present |
|---|---|
|
Wheat |
Yes |
|
Gluten |
Yes |
|
Soy |
Yes |
|
Egg |
Yes |
|
Milk |
Yes |
|
Sesame |
Yes |
|
MSG |
Yes |
⚠️ Prepared in shared kitchen facilities.
Value for Money Comparison
Compared to other breakfast items, this sandwich delivers strong protein value.
It’s best suited for people wanting a full, filling breakfast.
|
Item |
Calories |
Price |
Best For |
Value |
|---|---|---|---|---|
|
Breakfast On A Bun® |
525 |
$4.39 |
Hearty breakfast |
⭐⭐⭐⭐☆ |
|
Egg Sandwich |
310 |
$2.59 |
Light eaters |
⭐⭐⭐⭐☆ |
|
Biscuit with Sausage |
520 |
$2.59 |
Biscuit lovers |
⭐⭐⭐⭐⭐ |
|
Pancakes |
630 |
$3.49 |
Sweet breakfast |
⭐⭐⭐⭐☆ |
✔ High protein
✔ Customizable
✔ Filling and convenient
Ingredients Breakdown
|
Component |
Ingredients |
Description |
|---|---|---|
|
Small Bun / Brioche Bun |
Enriched wheat flour, water, soybean oil, sugar, yeast, wheat gluten, high fructose corn syrup, sesame flour, dough conditioners, preservatives |
Soft, lightly toasted bun that holds all fillings |
|
Bun Oil |
Soybean oil, natural & artificial flavors, TBHQ, beta carotene, anti-foaming agent |
Used to toast the bun and add buttery flavor |
|
Egg |
Fresh whole eggs, seasoning |
Fresh-cracked egg cooked on the grill |
|
Sausage Patty |
Pork, salt, natural spices, sugar, monosodium glutamate (MSG), spice extractives, BHA, BHT, citric acid |
Savory, seasoned breakfast protein |
|
Bacon (Optional) |
Cured pork, water, salt, sugar, natural smoke flavor, sodium phosphates, sodium erythorbate, sodium nitrite |
Crispy, smoky alternative protein |
|
American Cheese |
Milk, cream, sodium citrate, citric acid, preservatives, color |
Creamy, melty cheese slice |
|
Monterey Jack Cheese (Optional) |
Milk, cheese cultures, enzymes, salt |
Mild, slightly richer cheese option |
|
Ranchero / Picante Style (Optional) |
Tomatoes, jalapeños, peppers, vinegar, spices |
Adds mild heat and tangy flavor |
Quick Summary
|
Feature |
Details |
|---|---|
|
Price |
$4.39 |
|
Calories |
525 Cal |
|
Best For |
Hearty bun-based breakfast |
|
Protein |
Sausage or Bacon |
|
Customization |
Bun, cheese, add-ons, Ranchero |
|
Availability |
Breakfast hours only |
|
Top Pick |
Brioche Bun + Sausage + Ranchero |
Final Verdict
The Whataburger Breakfast On A Bun® is perfect if you want a classic, filling breakfast sandwich that’s easy to eat on the go. While it’s higher in sodium, the protein content and customization options make it one of the most satisfying breakfast choices on the menu.
If you prefer buns over biscuits, this is one of the best breakfast sandwiches Whataburger offers.
FAQs – Whataburger Breakfast On A Bun®
What comes with the Breakfast On A Bun®?
It includes a bun, egg, cheese, and your choice of sausage or bacon.
Is it available all day?
No, it is only served during breakfast hours.
Can I change the bun?
Yes, you can switch to a brioche bun at no extra cost.
Is cheese optional?
Yes, you can remove or swap the cheese.
How many calories does it have?
It contains 525 calories in the standard version.
Can I add extra meat?
Yes, extra sausage or bacon can be added.
Is it spicy by default?
No, but you can add jalapeños or Ranchero style.
Does it contain MSG?
Yes, mainly from the sausage patty.
Is it high in protein?
Yes, it provides 26 grams of protein.
Does it contain gluten?
Yes, the bun contains wheat and gluten.
Is it kid-friendly?
Yes, but kids may prefer a simpler egg sandwich.
Can I remove the egg?
Yes, the sandwich can be customized without egg.
What pairs best with it?
Hash brown sticks, pancakes, or coffee.
Can I order delivery?
Yes, through the Whataburger app or delivery services.
Is it healthier than a biscuit sandwich?
It’s similar in calories but slightly higher in protein.
Does the bun contain sesame?
Yes, sesame is present in the bun.
