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Crab Stuffed Mushrooms

Crab Stuffed Mushrooms have the perfect balance of succulent crab, binder, herb, and seasoning. Make these luxurious stuffed mushrooms with crab as an appetizer for your special occasion or holiday gathering.

three crab stuffed mushrooms on a piece of white parchment on a silver serving plate

There are those recipes that are more of a labor of love than others. Deviled Eggs would be one, for example, and I feel stuffed mushrooms can be another. But oh, aren’t they so good and SO worth that effort?

And, as it so happens, my recipe is actually easier and pretty foolproof if you have just a little patience.

stuffed mushroom, centered, on serving plate topped with sprinkling of parsley

Why this recipe works

This crab stuffed mushrooms recipe is so unbelievably good because it is simple. Succulent lump crab, a little herb and seasoning, some parmesan, breadcrumbs and mayonnaise. Not too much of anything, and all the flavors balance to let that wonderfully extravagant crab meat shine.

As they go, my recipe is less of a huge task too because I have learned that by using larger mushrooms, though I make fewer, it is the same amount of food but with less effort because filling fewer, larger mushrooms is easier.

Larger mushroom caps are significantly easier to clean, prepare, and stuff with the crab stuffing.

As always, crab stuffed mushrooms are an absolute crowd-pleaser and always the first to be gobbled up and gone every time I have made them.

collage of 2 photos: left, mushrooms caps; right, mushroom cap with center cavity cleaned out

Ingredients for crab stuffed mushrooms

  • Large white mushroom caps. I find them in the produce section in packages of 6 each.
  • Extra virgin olive oil. We use a fair amount because the mushrooms soak it up.
  • Lump crabmeat. At your seafood counter, there are 3 types of fresh crab: less expensive, medium expensive, and most expensive. You want the one in the middle.
  • Mayonnaise. Use full fat, good quality mayonnaise. The crab stuffed mushrooms deserve that.
  • Dried minced onion. I used dried because I love the mellow flavor of dried minced onion, but you may substitute with 2 tablespoons chopped green onion if desired.
  • Prepared horseradish. Horseradish and crab were made for each other.
  • Panko breadcrumbs. Be sure to get plain and not make the mistake I do have the time and accidentally by Italian seasoned panko.
  • Fresh parsley. We want flat leaf parsley as a general rule in life, but curly can be substituted if you absolutely have to.
  • Freshly grated parmesan cheese. Fresh parm only! So, not the stuff you would find in the spaghetti aisle.
  • Kosher salt. Just the slightest pinch because crab and parmesan bring salt on their own.
  • Old Bay seafood seasoning. We add Old Bay to the stuffing, but also sprinkle some on top before baking to make the mushrooms even prettier.

More crab recipes

collage of 2 photos: left, crab filling in glass bowl; right, stuffed mushrooms not yet cooked

How to make stuffed mushrooms with crab

Making stuffed mushrooms with crab takes a few minutes, but that is only because we are making a bite-by-bite appetizer. As far as technique and all go, the process is super easy.

First, we prepare our mushrooms. Gently brush off any dirt, remove the stems, and use a spoon to kind of clean out the cavity (like removing the dark gills. This last part with the spoon is optional, but I like to do it to make more room for the crab stuffing.

Next we assemble the stuffing, which entails just mixing the ingredients together in a bowl. Easy.

Then all that is left is to fill the mushroom caps with the crab stuffing, dust a little Old Bay seasoning over top like you would put paprika on deviled eggs, and bake.

How you tell with this crab stuffed mushroom recipe is ready is when the filling on top gets a nice light golden color, and when the juices down around the bottom of the mushrooms is sizzling bubbly. Then we enjoy.

four stuffed mushrooms with crab in a row on serving plate

Tips and FAQs

Do not wash or in any way let the mushrooms get near water. Mushrooms are nature’s sponges, and we want them to save that super power for the olive oil. Simply brush off any dirt with a paper towel and proceed.

Brush the mushroom caps generously with the olive oil. The olive oil brings flavor but also helps cook the mushrooms to be tender and not rubbery. It serves as a necessary barrier from the moisture in the filling.

Crab stuffed mushrooms are best served immediately. They can be assembled in advance, but do not cook them in advance.

Why do we discard the mushrooms stems? So, some stuffed mushrooms fillings are more watery than others, and that water is what leads to watery mushrooms. Brushing the caps with olive oil helps, but so does not including the stems in the filling (which would give off water as they cook).

If large mushrooms caps are not available your can go big or go little! You can stuff giant portobello caps or little white mushrooms caps. Just be sure to adjust your cook time accordingly. Crab stuffed mushrooms are ready when the top is lightly golden and juices around the bottom are bubbly.

crab stuffed mushroom on a metal dish
three crab stuffed mushrooms on a piece of white parchment on a silver serving plate

Crab Stuffed Mushrooms

Erica
Crab Stuffed Mushrooms have the perfect balance of succulent crab, binder, herb and seasoning. Make these luxurious stuffed mushrooms with crab as an appetizer for your special occasion or holiday gathering.
5 from 7 votes
Prep Time 15 mins
Cook Time 15 mins
Total Time 30 mins
Course Appetizer
Cuisine American
Servings 12 appetizers
Calories 207 kcal

Ingredients
  

  • 12 large white mushroom caps (12 oz) brushed clean, stems removed and discarded
  • ½ cup extra virgin olive oil
  • 8 oz lump crabmeat
  • ¼ cup mayonnaise
  • 2 tsp dried minced onion
  • 1 Tbsp prepared horseradish
  • ¼ cup plain panko breadcrumbs
  • 1 Tbsp minced Italian flat-leaf parsley
  • ¼ cup freshly grated parmesan cheese
  • 1 pinch kosher salt
  • ¼ tsp Old Bay seafood seasoning plus additional for sprinkling

Instructions
 

  • Preheat oven to 375°F.
  • Gently use a spoon to clean out the gills and cavity of the mushrooms to make more room for stuffing.
  • Brush the mushrooms all over with olive oil and place on ungreased baking sheet.
  • In a medium bowl, stir together all of the remaining ingredients.
  • Fill the mushroom caps. Lightly sprinkle Old Bay seasoning over top.
  • Bake at 375°F for 15 minutes or until very lightly browned on top and mushroom juices are sizzly around the bottom. Serve immediately.

Notes

If large white cap mushrooms are not available, small mushrooms can be used but reduce cooking time to 10-15 minutes.

Nutrition

Calories: 207kcal (10%) | Carbohydrates: 17g (6%) | Protein: 7g (14%) | Fat: 15g (23%) | Saturated Fat: 2g (13%) | Polyunsaturated Fat: 4g | Monounsaturated Fat: 8g | Cholesterol: 22mg (7%) | Sodium: 678mg (29%) | Potassium: 400mg (11%) | Fiber: 4g (17%) | Sugar: 11g (12%) | Vitamin C: 34mg (41%) | Calcium: 110mg (11%) | Iron: 1mg (6%)

Calorie count is purely an estimate calculated using an online application to serve as a guide and not to be taken as accurate nutritional information. Percent Daily Values are based on a 2,000 calorie diet.

Keyword crab stuffed mushrooms, stuffed mushrooms with crab
Tried this recipe?Leave a comment below and let me know!

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