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Cooked portobello mushroom Calories
Low-calorie source of potassium and B vitamins
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 piece (large) of Cooked portobello mushroom (85 g) has 25 calories. That works out to 29 calories per 100 g. It contains 3.8 g of carbs, 2.8 g of protein, 0.3 g of fat and 1.1 g of fiber. Its 0.3 mg of Copper covers 30% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.
Cooked portobello mushroom Nutrition Facts
Selected: 1 piece (large) · 85 g
25
KCAL / 85G
Carbs
3.8g
· 1% DV
Protein
2.8g
· 6% DV
Fat
0.3g
· 0% DV
Fiber
1.1g
· 4% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 52% · Protein 38% · Fat 10%
Cooked portobello mushroom nutrition facts table · 1 piece (large) (85 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 25 kcal | |
| Total fat | 0.3 g | 0% |
| Saturated fat | 0.06 g | 0% |
| Trans fat | 0 g | |
| Sodium | 7.65 mg | 0% |
| Total carbohydrate | 3.8 g | 1% |
| Fiber | 1.1 g | 4% |
| Protein | 2.8 g | 6% |
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 Large Cooked portobello mushroom?
| Serving | Amount | Calories |
|---|---|---|
| 1 piece (large) | 85 g | 25 kcal |
| 1 piece (small) | 45 g | 13 kcal |
| 1 cup (shredded) | 70 g | 20 kcal |
| 1 cup (diced) | 90 g | 26 kcal |
| 100 g | 100 g | 29 kcal |
| 1 serving (medium) | 100 g | 29 kcal |
| 1 piece (jumbo) | 120 g | 35 kcal |
| 1 serving (large) | 150 g | 44 kcal |
| 1 serving (extra large) | 200 g | 58 kcal |
Calculated from 29 calories per 100 g.
Frequently Asked Questions About Cooked portobello mushroom
How do you cook a portobello mushroom?
Cook a portobello mushroom by grilling, roasting, or pan-searing it until tender and browned. Brush it lightly with oil and season it first; leave space between mushrooms in the pan so released moisture can evaporate instead of steaming them.
Are the dark gills on a cooked portobello mushroom safe to eat?
Yes, the dark gills on a cooked portobello mushroom are edible and naturally darken as the mushroom matures. They can release a dark liquid and make a dish look less neat, so scrape them out before cooking if you prefer.
Can you eat the stem of a cooked portobello mushroom?
Yes, you can eat the stem of a cooked portobello mushroom, although it is often firmer and more fibrous than the cap. Chop it finely and cook it in a filling, soup, or sauté, or remove it if you want a softer texture.
Why does a cooked portobello mushroom turn watery?
A cooked portobello mushroom releases moisture because mushrooms naturally contain a lot of water. Crowding the pan or cooking over low heat traps that moisture and causes steaming; cook the mushrooms in a single layer over fairly high heat for better browning.
What is the difference between a portobello mushroom and a cremini mushroom?
A portobello mushroom is the mature form of the same brown mushroom sold as cremini when younger. Portobellos are larger, with a more open cap and a substantial texture, making a cooked portobello useful as a sandwich or burger-style centerpiece.
What can you make with a cooked portobello mushroom?
A cooked portobello mushroom works well in sandwiches, pasta, grain bowls, and vegetable plates. Use a large cap as a burger-style filling, or slice it into strips for tacos; herbs, garlic, or a splash of lemon complement its savory flavor.
How long does a cooked portobello mushroom last in the fridge?
A cooked portobello mushroom generally keeps for 3–4 days in the refrigerator when stored in a covered container. Refrigerate it promptly rather than leaving it at room temperature; discard it if it develops an off smell, slimy feel, or unusual discoloration.
Can you freeze a cooked portobello mushroom?
Yes, you can freeze a cooked portobello mushroom, though thawing may leave it softer and more watery. Cool it first, portion it into an airtight container, and use the thawed mushroom in soup, sauce, or a sauté where a firm texture matters less.
How do you reheat a cooked portobello mushroom?
Reheat a cooked portobello mushroom in a skillet over medium heat or in the oven until hot throughout. A microwave is also convenient, but heating it too long can make the texture rubbery; reheat only the portion you plan to eat.
Should you wash a portobello mushroom before cooking it?
Yes, clean a portobello mushroom before cooking, but avoid soaking it because it can absorb water. Wipe away dirt with a damp cloth or rinse it briefly under running water and dry it well, especially around the gills.
Cooked portobello mushroom Vitamins & Minerals
Vitamins
B2
0.34mg · 26% DV
B5
1.27mg · 25% DV
B3
3.83mg · 24% DV
B6
0.1mg · 6% DV
Minerals
Copper
0.27mg · 30% DV
Selenium
10µg · 18% DV
Phosphorus
92mg · 13% DV
Potassium ⭐
309mg · 9% DV
Sodium
7.65mg · 0% DV
Cooked portobello mushroom Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Cooked portobello mushroom
To burn the 25 calories in 1 piece (large) (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 Cooked portobello mushroom?
A cooked portobello mushroom is a large, mature cultivated mushroom, usually prepared whole or in thick slices. Its broad cap and substantial flesh hold up well to grilling or pan-cooking. The flavour is earthy and savoury, becoming more pronounced with heat, while the texture turns tender and meaty.
It is served as a side, layered into sandwiches, added to salads, or used as a vegetarian centrepiece in many cuisines. It is low in calories and provides potassium and B vitamins; a 100 g portion has 3.3 g of protein. For a lighter preparation, grill it with a little oil and finish with lemon, garlic, or fresh herbs.
How Nutritious Is Cooked 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 Cooked 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 Cooked portobello mushroom Contain Allergens?
No known major allergens
Which Diets Is Cooked 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
Cooked portobello mushroom Fat Profile
SATURATED
0.06g
MONOUNSATURATED
0.03g
POLYUNSATURATED
0.13g
Omega 6:3 ratio 5:1
Above the ideal 4:1 (5:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.