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Last updated: Aug 9, 2026
Whataburger

# 21 Breakfast On A Bun with Bacon

BreakfastPopular

Whataburger # 21 Breakfast On A Bun with Bacon is fat-leaning, with about 40% of macro calories from fat. Each serving has 360 calories, 18g protein, 35g carbs, and 16g fat, making it a moderate option for comparing calories and macros.

1 Serving
Serving Size
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360
Calories
Per serving
18 g
Protein
35 g
Carbs
16 g
Fat

Nutrition Facts

Amount per serving

Calories360 kcal
% Daily Value*
Total Fat 16 g21%
Saturated Fat 6 g30%
Trans Fat 0 g—
Cholesterol 230 mg77%
Sodium 940 mg41%
Total Carbohydrate 35 g13%
Dietary Fiber 1 g4%
Total Sugars 5 g—
Protein 18 g36%
Vitamin A—
Vitamin C—
Vitamin D—
Calcium—
Iron—
Potassium—
Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

360
kcal
Protein18 g (20%)
Carbs35 g (39%)
Fat16 g (40%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density5/10

20% of macro calories come from protein.

Satiety index10/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate90 min walk

About 36 minutes of running for these calories.

Key Nutrients

Protein 18 g36%
Fiber 1 g4%
Sodium 940 mg41%
Sugars 5 g—
Saturated Fat 6 g30%
How we calculate these values

Diet Compatibility

High protein5/10 protein density from 18g protein and 360 calories.Yes
Lower carb35g carbs per serving.No
Low fat16g total fat per serving.No
High sugar5g total sugars per serving.No
High sodium940mg sodium per serving.Yes
Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Similar Items in Breakfast

View all
# 20 Taquito with Cheese & Bacon400 kcal · 20 g protein# 20 Taquito with Cheese & Chorizo450 kcal · 19 g protein# 20 Taquito with Cheese & Potato440 kcal · 17 g protein# 20 Taquito with Cheese & Sausage420 kcal · 19 g protein

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

# 21 Breakfast On A Bun with Bacon has 40 fewer calories than # 20 Taquito with Cheese & Bacon and 2g less protein. Compare

# 21 Breakfast On A Bun with Bacon has 90 fewer calories than # 20 Taquito with Cheese & Chorizo and 1g less protein. Compare

Compare with # 20 Taquito with Cheese & Bacon

# 21 Breakfast On A Bun with Bacon Compared With Nearby Items

Compared with # 20 Taquito with Cheese & Bacon, another Breakfast item at Whataburger, # 21 Breakfast On A Bun with Bacon has 40 fewer calories than it and 2g less protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for # 21 Breakfast On A Bun with Bacon are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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