Button mushrooms are excellent for keto: ~2.3g net carbs per 100g, a meaty texture, and deep umami that adds substance to meals without spiking carbs.
Is Button Mushroom Keto?
Other Vegetable

KETO VERDICTYES
Button mushrooms are excellent for keto: ~2.3g net carbs per 100g, a meaty texture, and deep umami that adds substance to meals without spiking carbs.
- Net carbs (100g)2.3g
- Protein (100g)3.1g
- Fat (100g)0.3g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Net Carbs
2.3g
Total Carbs
3.3g
Fiber
1g
Protein
3.1g
Fat
0.3g
Calories
22
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Very low net carbs (~2.3g/100g) fit easily into keto macros
- Provides modest protein (3.1g/100g) for meal balance
- Umami-rich and meaty texture adds satisfaction
- Low calorie density allows generous portions
- Versatile across breakfasts, mains, and sides
- Pairs well with keto fats (butter, bacon-grease, olive-oil)
HEALTH BENEFITS
- Rich in B vitamins (riboflavin, niacin) for energy metabolism
- Good source of selenium, a key antioxidant mineral
- Contains beta-glucans that may support immune function
- Can provide vitamin D if UV-exposed
- Low glycemic impact supports steady blood sugar
- Naturally low in sodium and saturated fat
PREPARATION SUGGESTIONS
SAUTÉED
Slice and sauté in butter with garlic until golden; season with salt, pepper, and thyme for a classic side.
STUFFED MUSHROOMS
Fill caps with cream-cheese, cooked sausage, and herbs; bake at 375°F for ~20 minutes.
MUSHROOM OMELET
Sauté slices, then fold into eggs with cheese for a protein-rich keto breakfast.
ROASTED
Toss whole or halved mushrooms with olive-oil, salt, and pepper; roast at 400°F for 25–30 minutes.
CREAM OF MUSHROOM SOUP
Sauté mushrooms/onions, add broth and heavy-cream; blend smooth for a cozy keto soup.
MUSHROOM PIZZA TOPPING
Top keto crusts with thin slices—pairs perfectly with cheese and sausage.