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Keto Crab Stuffed Mushrooms

4.2 stars, average of 161 ratings

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These Keto Crab Stuffed Mushrooms are one of my favorite party appetizers!

Between the succulent crab and salty bubbling cheese you can’t go wrong. There’s no need for breadcrumbs in this recipe thanks to the extra parmesan cheese that gets sprinkled on top as it turns into a delightfully crunchy crust.

Hands-on Overall

Allergy information for Keto Crab Stuffed Mushrooms

✔  Gluten free
✔  Nut free
✔  Pork free
✔  Avocado free
✔  Coconut free
✔  Fish free

Nutritional values (per serving)

Net carbs2.6 grams
Protein11.6 grams
Fat13 grams
Calories173 kcal
Calories from carbs 6%, protein 27%, fat 67%
Total carbs3.7 gramsFiber1.1 gramsSugars1.8 gramsSaturated fat2.7 gramsSodium606 mg(26% RDA)Magnesium34 mg(8% RDA)Potassium375 mg(19% EMR)

Ingredients (makes 6 servings)

  • 1 lb button or cremini mushrooms, stems removed (450 g)
  • 7 ounces lump crab meat (200 g)
  • 3 green onions, chopped (45 g/ 1.6 oz)
  • 1/2 cup grated Parmesan, divided (45 g/ 1.6 oz)
  • 1/3 cup mayonnaise (73 g/ 2.6 oz) - you can make your own
  • 1/2 tsp paprika
  • 1/2 tsp garlic powder
  • 1/4 tsp sea salt or pink Himalayan salt
  • 1/4 tsp black pepper
  • 2 tsp fresh minced parsley


  1. Preheat the oven to 175 °C/ 350 °F (conventional), or 155 °C/ 310 °F (fan assisted) and line a baking sheet with parchment paper. Remove the stems from the mushrooms and save for another use. Keto Crab Stuffed Mushrooms
  2. In a medium bowl mix together the crab, chopped green onions, 1/4 cup of the grated parmesan, mayonnaise, paprika, garlic powder, salt, black pepper, and parsley. Keto Crab Stuffed Mushrooms
  3. Fill each mushroom with the mixture then sprinkle the remaining cheese over the top.
  4. Bake for 15 minutes until the cheese is golden and bubbling. Serve immediately. Keto Crab Stuffed Mushrooms These are best eaten immediately, however, they can be stored in an airtight container in the refrigerator for up to 2 days. Reheat under the broiler for 2-3 minutes or until hot. Keto Crab Stuffed Mushrooms

Ingredient nutritional breakdown (per serving)

Net carbsProteinFatCalories
Mushrooms (white), fresh
1.7 g2.3 g0.3 g17 kcal
Crab meat, cooked
0 g6.3 g0.7 g32 kcal
Spring onion, scallion, green onion, fresh
0.4 g0.1 g0 g2 kcal
Parmesan cheese
0.2 g2.7 g1.9 g29 kcal
0.1 g0.1 g10.1 g91 kcal
Paprika, spices
0 g0 g0 g1 kcal
Garlic powder, spices
0.2 g0 g0 g1 kcal
Salt, pink Himalayan rock salt
0 g0 g0 g0 kcal
Pepper, black, spices
0 g0 g0 g0 kcal
Parsley, fresh (spices)
0 g0 g0 g0 kcal
Total per serving
2.6 g11.6 g13 g173 kcal

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Lauren Lester
Creator of Healthful Creative

Lauren Lester

Lauren is a food photographer, recipe developer, and author.

She is the founder of the creative content agency, Healthful Creative. HC specializes in helping food centered brands share their story through recipe development + food photography.

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Comments (10)

It says calories per serving and then it says it makes 6 servings
So is the total net carbs and total calories for 6 of them ?
I always always get confused with that because 173 kals for one freakin mushroom.
Ill pop those suckers in at least 6 of them.
Someone please let me know and email me if i cant find my way back to this website!

Hi Amanda, all recipes list nutrition facts "per serving". In this case it means that the nutrition facts you see are per 1/6 of the recipe. Depending on the size of the mushrooms, this can be about 3 mushrooms per serving. You can have double if you like, it will still be low in carbs and calories 😊

I meant fresh crab meat. Thank you.

Is it 3.5 carbs per mushroom? I am using fresh carb and it has 0 carbs. It makes a difference, right? Thank you!

Hi Maria, that depends on the size of the mushrooms (ie how many you will be using). The best way to get the serving size is to divide the total number of mushrooms by the number of servings. I hope this helps!

I just made your crab stuffed mushrooms, but I used white mushrooms and I used 1 small onion and about 6 cloves of garlic.  This was DELICIOUS!  I also chopped up the mushrooms and made them part of the stuffing for my wonderful pork chops.  So good, saving this and sharing it with my keto group 😊 Thank you!

Thank you for your kind words Heather!

Great recipe, thanks!

How do you know what a serving size is?

Hi Emily, that depends on the number of mushrooms (e.g. fewer pieces if you use larger mushrooms). Depending on the total number of mushrooms used, it will be 2-4 mushrooms per serving.