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Last updated: Aug 9, 2026

Port of Subs

Maui Onion

Sides & ExtrasPopular

Port of Subs Maui Onion is fat-leaning, with about 49% of macro calories from fat. Each serving has 190 calories, 2g protein, 21g carbs, and 10g fat, making it a lighter restaurant option to compare with larger meals.

1.3 Oz (35.4g)

Serving Size

35.4 g

Serving Weight

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190

Calories

Per serving

2 g

Protein

21 g

Carbs

10 g

Fat

Nutrition Facts

Amount per serving

Calories190 kcal

% Daily Value*

Total Fat 10 g13%

Saturated Fat 1.5 g8%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 140 mg6%

Total Carbohydrate 21 g8%

Dietary Fiber 2 g7%

Total Sugars 2 g—

Protein 2 g4%

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

190

kcal

Protein2 g (4%)

Carbs21 g (46%)

Fat10 g (49%)

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

Meal Planning Insights

Protein density1.1/10

4% of macro calories come from protein.

Satiety index3.9/10

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

Activity estimate48 min walk

About 19 minutes of running for these calories.

Key Nutrients

Protein 2 g4%

Fiber 2 g7%

Sodium 140 mg6%

Sugars 2 g—

Saturated Fat 1.5 g8%

How we calculate these values

Diet Compatibility

High protein1.1/10 protein density from 2g protein and 190 calories.No

Lower carb21g carbs per serving.Yes

Low fat10g total fat per serving.No

High sugar2g total sugars per serving.No

High sodium140mg sodium per serving.No

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

Ingredients

Potatoes, Vegetable Oil (Corn, Canola, and/or Sunflower Oil), Maui Onion Seasoning (Onion Powder, Maltodextrin [Made from Corn], Salt, Brown Sugar, Yeast Extract, Dextrose, Sugar, Molasses, Canola Oil, Citric Acid, Garlic Powder, Natural Flavor [Including…

Allergens

Contains

Milk

Compare with other items

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

Quick comparisons

Maui Onion has 4009 fewer calories than 2-Foot Brookie in a Box and 31.2g less protein. Compare

Maui Onion has 3009 fewer calories than 2-Foot Brownie in a Box and 21.2g less protein. Compare

2-Foot Brookie in a Box4,199 kcal · 33.2 g protein2-Foot Brownie in a Box3,199 kcal · 23.2 g protein2-Foot Classic Sub Macaroni Salad Center3,815 kcal · 163.6 g protein2-Foot Classic Sub Potato Salad Center3,248 kcal · 158 g protein2-Foot Cookie in a Box3,000 kcal · 30 g protein4x4 Brookie954 kcal · 7.4 g protein

Compare with 2-Foot Brookie in a Box

Maui Onion Compared With Nearby Items

Port of Subs Maui Onion is listed in the Sides & Extras category with 190 calories, 2g protein, 21g carbs, and 10g fat per serving.

Data Source and Methodology

Nutrition values for Maui Onion 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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