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Grilled portobello mushroom Calories
Low-calorie, fiber-rich, umami-rich
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 piece (medium) of Grilled portobello mushroom (85 g) has 25 calories. That works out to 29 calories per 100 g. It contains 3.9 g of carbs, 2.1 g of protein, 0.3 g of fat and 1.5 g of fiber. Its 13.6 µg of Biotin covers 45% of the Daily Value. Its glycemic index is 10 (low), so it raises blood sugar slowly.
Grilled portobello mushroom Nutrition Facts
Selected: 1 piece (medium) · 85 g
25
KCAL / 85G
Carbs
3.9g
· 1% DV
Protein
2.1g
· 4% DV
Fat
0.3g
· 0% DV
Fiber
1.5g
· 5% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 58% · Protein 31% · Fat 11%
Grilled portobello mushroom nutrition facts table · 1 piece (medium) (85 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 25 kcal | |
| Total fat | 0.3 g | 0% |
| Saturated fat | 0.07 g | 0% |
| Trans fat | 0 g | |
| Sodium | 5.1 mg | 0% |
| Total carbohydrate | 3.9 g | 1% |
| Fiber | 1.5 g | 5% |
| Protein | 2.1 g | 4% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Medium Grilled portobello mushroom?
| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 85 g | 25 kcal |
| ½ cup (shredded) | 45 g | 13 kcal |
| 1 piece (small) | 55 g | 16 kcal |
| 1 cup (shredded) | 90 g | 26 kcal |
| 100 g | 100 g | 29 kcal |
| 1 piece (large) | 120 g | 35 kcal |
| 1 serving (medium) | 150 g | 44 kcal |
| 1 piece (jumbo) | 160 g | 46 kcal |
| 2 piece (double) | 170 g | 49 kcal |
Calculated from 29 calories per 100 g.
Frequently Asked Questions About Grilled portobello mushroom
How do you grill a grilled portobello mushroom?
To make a grilled portobello mushroom, brush the cap with a little oil and cook it over a hot grill until tender and browned. Turn it carefully so it keeps its shape, and avoid crowding the grill so moisture can escape.
Should you remove the gills from a grilled portobello mushroom?
No, you do not need to remove the gills from a grilled portobello mushroom; they are edible. Their dark color can stain a filling or sauce, so scrape them out gently if you want a neater appearance or milder flavor.
What is the best marinade for a grilled portobello mushroom?
A simple marinade of olive oil, garlic, black pepper, and a little lemon works well for a grilled portobello mushroom. Marinate briefly rather than leaving it for hours, since prolonged contact with acidic ingredients can soften the cap.
Why does a grilled portobello mushroom get soggy?
A grilled portobello mushroom can turn soggy when it releases moisture on a grill that is not hot enough or is overcrowded. Preheat the grill, leave space between caps, and let liquid evaporate instead of covering the mushrooms.
Is a portobello mushroom just a mature cremini mushroom?
Yes, a portobello mushroom is the mature form of the same common mushroom sold as cremini when younger. Its larger, open cap makes it especially useful for grilling whole or using in place of a burger patty.
Can you eat the stem of a grilled portobello mushroom?
Yes, the stem of a grilled portobello mushroom is edible, though it can be tougher than the cap. Chop it into small pieces for grilling or save it for a filling, and trim away any dry, woody end.
Can a grilled portobello mushroom replace a burger patty?
Yes, a grilled portobello mushroom can stand in for a burger patty, especially in a vegetarian sandwich. Choose a cap that fits the bun, cook it until tender, and drain excess liquid before adding it so the bread stays firmer.
Should you wash a portobello mushroom before grilling it?
Wipe a portobello mushroom with a damp paper towel or brush off visible dirt before grilling. Avoid soaking it in water, because the cap can absorb moisture and release more liquid on the grill.
How should you store leftover grilled portobello mushroom?
Store leftover grilled portobello mushroom in a covered container in the refrigerator and use it within a few days. Reheat it in a skillet or oven until hot; prolonged microwave heating can make its texture softer and wetter.
Is grilled portobello mushroom good for you?
Yes, grilled portobello mushroom can be a nourishing addition to a meal, with fiber and a savory flavor that works well in place of some meat. Grilling also lets you control added oil and salt.
Grilled portobello mushroom Vitamins & Minerals
Vitamins
Biotin
13.6µg · 45% DV
B3
4.17mg · 26% DV
B5
1.27mg · 25% DV
B2
0.3mg · 23% DV
Minerals
Copper
0.24mg · 27% DV
Selenium
7.91µg · 14% DV
Phosphorus
81mg · 12% DV
Potassium ⭐
306mg · 9% DV
Sodium
5.1mg · 0% DV
Grilled portobello mushroom Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Grilled portobello mushroom
To burn the 25 calories in 1 piece (medium) (85 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Grilled portobello mushroom?
A grilled portobello mushroom is a large, mature cultivated mushroom, cooked on a grill until its surface is browned and its interior is tender. Its broad cap and substantial texture make it a satisfying centrepiece, while the savoury, earthy flavour takes on a smoky edge. Portobellos are widely used in contemporary cooking rather than tied to one particular regional cuisine.
Serve one whole as a meat-free main, or slice it into a sandwich, salad or alongside grilled vegetables. It is low in calories and provides some fibre: 100 g has 29 calories. A little oil, garlic and herbs is enough to complement its umami flavour without making the dish heavy.
How Nutritious Is Grilled portobello mushroom?
Nutrient density
High
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is Grilled portobello mushroom Processed?
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Grilled portobello mushroom Contain Allergens?
No known major allergens
Which Diets Is Grilled portobello mushroom Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Grilled portobello mushroom Fat Profile
SATURATED
0.07g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.11g
Omega 6:3 ratio 10:1
Above the ideal 4:1 (10:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.