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Last updated: Aug 12, 2026

The Keg Steakhouse

French Onion Soup

Salads & SoupsPopular

The Keg Steakhouse French Onion Soup is fat-leaning, with about 43% of macro calories from fat. Each serving has 330 calories, 18g protein, 29g carbs, and 16g fat, making it a lighter restaurant option to compare with larger meals.

1 Serving

Serving Size

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330

Calories

Per serving

18 g

Protein

29 g

Carbs

16 g

Fat

Nutrition Facts

Amount per serving

Calories330 kcal

% Daily Value*

Total Fat 16 g21%

Saturated Fat 10 g50%

Trans Fat 0.5 g—

Cholesterol 40 mg13%

Sodium 2,450 mg107%

Total Carbohydrate 29 g11%

Dietary Fiber 3 g11%

Total Sugars 15 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

330

kcal

Protein18 g (22%)

Carbs29 g (35%)

Fat16 g (43%)

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

Meal Planning Insights

Protein density5.5/10

22% of macro calories come from protein.

Satiety index10/10

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

Activity estimate83 min walk

About 33 minutes of running for these calories.

Key Nutrients

Protein 18 g36%

Fiber 3 g11%

Sodium 2,450 mg107%

Sugars 15 g—

Saturated Fat 10 g50%

How we calculate these values

Diet Compatibility

High protein5.5/10 protein density from 18g protein and 330 calories.Yes

Lower carb29g carbs per serving.No

Low fat16g total fat per serving.No

High sugar15g total sugars per serving.No

High sodium2,450mg sodium per serving.Yes

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

Compare with other items

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

Quick comparisons

French Onion Soup has 570 fewer calories than 2 Lobster Tail Dinner with Mushroom Rice and 35g less protein. Compare

French Onion Soup has 190 more calories than Add Bordelaise Sauce and 11g more protein. Compare

2 Lobster Tail Dinner with Mushroom Rice900 kcal · 53 g proteinAdd Bordelaise Sauce140 kcal · 7 g proteinAdd Béarnaise Sauce To Any Steak190 kcal · 1 g proteinAdd Crab Cake To Any Steak420 kcal · 11 g proteinAdd Lobster Tail To Any Steak600 kcal · 24 g proteinAdd Seafood Oscar330 kcal · 36 g protein

Compare with 2 Lobster Tail Dinner with Mushroom Rice

French Onion Soup Compared With Nearby Items

The Keg Steakhouse French Onion Soup is listed in the Salads & Soups category with 330 calories, 18g protein, 29g carbs, and 16g fat per serving.

Data Source and Methodology

Nutrition values for French Onion Soup are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 12, 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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