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Last updated: Aug 9, 2026
Illustration for reference only
Whataburger
Jr. Mushroom Swiss Burger
Junior All-Time Favorites & Seasonal SandwichesPopular
Jr. Mushroom Swiss Burger nutrition information from Whataburger.
1 Serving
Serving Size
Not provided
Serving Weight
700
Calories
Per serving
32 g
Protein
47 g
Carbs
42 g
Fat
Nutrition Facts
Amount per serving
Calories700 kcal
% Daily Value*
Total Fat 42 g54%
Saturated Fat 14 g70%
Trans Fat 1 g—
Cholesterol 85 mg28%
Sodium 1,380 mg60%
Total Carbohydrate 47 g17%
Dietary Fiber 3 g11%
Total Sugars 11 g—
Protein 32 g64%
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
700
kcal
Protein32 g (18%)
Carbs47 g (27%)
Fat42 g (54%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.
Key Nutrients
Protein 32 g64%
Fiber 3 g11%
Sodium 1,380 mg60%
Sugars 11 g—
Saturated Fat 14 g70%
Ingredients
Ingredients have not been verified yet.
Allergens
Contains
Not listed
May contain
Not listed
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