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Last updated: Aug 9, 2026

Protein House

Portobello Sandwich with Lettuce Bun

Signature BurgersPopular

Protein House Portobello Sandwich with Lettuce Bun is protein-leaning, with about 48% of macro calories from protein. Each serving has 391 calories, 46g protein, 18g carbs, and 14g fat, making it a stronger fit for high-protein restaurant planning.

1 serving

Serving Size

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391

Calories

Per serving

46 g

Protein

18 g

Carbs

14 g

Fat

Nutrition Facts

Amount per serving

Calories391 kcal

% Daily Value*

Total Fat 14 g18%

Saturated Fat 2 g10%

Trans Fat 0 g—

Cholesterol 99 mg33%

Sodium 227 mg10%

Total Carbohydrate 18 g7%

Dietary Fiber 5 g18%

Total Sugars 8 g—

Protein 46 g92%

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

391

kcal

Protein46 g (48%)

Carbs18 g (19%)

Fat14 g (33%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density10/10

48% of macro calories come from protein.

Satiety index10/10

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

Activity estimate98 min walk

About 39 minutes of running for these calories.

Key Nutrients

Protein 46 g92%

Fiber 5 g18%

Sodium 227 mg10%

Sugars 8 g—

Saturated Fat 2 g10%

How we calculate these values

Diet Compatibility

High protein10/10 protein density from 46g protein and 391 calories.Yes

Lower carb18g carbs per serving.Yes

Low fat14g total fat per serving.No

High sugar8g total sugars per serving.No

High sodium227mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Similar Items in Signature Burgers

View all

Aloha Burger240 kcal · 40 g protein Aloha Burger with Grilled Portobello Mushrooms314 kcal · 46 g protein Aloha Burger with Lettuce Bun246 kcal · 41 g protein Aloha Burger with Toasted Ezekiel Bread400 kcal · 48 g protein

Compare with other items

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

Quick comparisons

Portobello Sandwich with Lettuce Bun has 145 fewer calories than Acai Coconut Bowl and 15g more protein. Compare

Portobello Sandwich with Lettuce Bun has 359 fewer calories than Acai Coconut Bowl with Granola and 1g more protein. Compare

Acai Coconut Bowl536 kcal · 31 g proteinAcai Coconut Bowl with Granola750 kcal · 45 g proteinAcai Coconut Smoothie411 kcal · 27 g proteinAcai Nutty Butter Bowl870 kcal · 52 g proteinAcai Nutty Butter Bowl with Granola1,085 kcal · 66 g proteinAcai Nutty Butter Smoothie663 kcal · 49 g protein

Compare with Acai Coconut Bowl

Portobello Sandwich with Lettuce Bun Compared With Nearby Items

Compared with Aloha Burger with Toasted Ezekiel Bread, another Signature Burgers item at Protein House, Portobello Sandwich with Lettuce Bun has 9 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 Portobello Sandwich with Lettuce Bun 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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