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Last updated: Aug 9, 2026

BJ's Restaurants

Mushrooms + Onions, Add On

Steak ToppersPopular

BJ's Restaurants Mushrooms + Onions, Add On is fat-leaning, with about 90% of macro calories from fat. Each serving has 390 calories, 3g protein, 7g carbs, and 38g fat, making it worth balancing with lower-fat items in the same meal.

1 serving

Serving Size

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390

Calories

Per serving

3 g

Protein

7 g

Carbs

38 g

Fat

Nutrition Facts

Amount per serving

Calories390 kcal

% Daily Value*

Total Fat 38 g49%

Saturated Fat 16 g80%

Trans Fat 0 g—

Cholesterol 61 mg20%

Sodium 684 mg30%

Total Carbohydrate 7 g3%

Dietary Fiber 1 g4%

Total Sugars 4 g—

Protein 3 g6%

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

390

kcal

Protein3 g (3%)

Carbs7 g (7%)

Fat38 g (90%)

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

Meal Planning Insights

Protein density0.8/10

3% of macro calories come from protein.

Satiety index1.3/10

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

Activity estimate98 min walk

About 39 minutes of running for these calories.

Key Nutrients

Protein 3 g6%

Fiber 1 g4%

Sodium 684 mg30%

Sugars 4 g—

Saturated Fat 16 g80%

How we calculate these values

Diet Compatibility

High protein0.8/10 protein density from 3g protein and 390 calories.No

Lower carb7g carbs per serving.Yes

Low fat38g total fat per serving.No

High sugar4g total sugars per serving.No

High sodium684mg sodium per serving.No

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

Compare with other items

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Quick comparisons

Mushrooms + Onions, Add On has 110 fewer calories than Ahi Poke and 31g less protein. Compare

Mushrooms + Onions, Add On has 510 fewer calories than Avocado Egg Rolls and 11g less protein. Compare

Ahi Poke500 kcal · 34 g proteinAvocado Egg Rolls900 kcal · 14 g proteinAvocado, Add On100 kcal · 1 g proteinBJ's Berry Burst Cider210 kcal · 0 g proteinBJ's Brewhouse Blonde200 kcal · 3 g proteinBJ's Brewhouse Blonde Fish 'N' Chips1,080 kcal · 57 g protein

Compare with Ahi Poke

Mushrooms + Onions, Add On Compared With Nearby Items

BJ's Restaurants Mushrooms + Onions, Add On is listed in the Steak Toppers category with 390 calories, 3g protein, 7g carbs, and 38g fat per serving.

Data Source and Methodology

Nutrition values for Mushrooms + Onions, Add On 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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