Keto Stuffed Mushrooms

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published December 19, 2023 • Updated February 3, 2026

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Tender morsels of goodness tucked inside a mushroom. These bite-sized hors d'oeuvres are the perfect accompaniment at any holiday party. Easy to make and totally addictive, filled with a creamy sausage that is loaded with flavor!

These keto stuffed mushrooms are a flavorful appetizer that combine the earthy taste of mushrooms with a rich, creamy sausage mixture. Each mushroom cap is generously filled with a savory, rich mixture of mushroom, shallot, Italian sausage and a hint of spicy kick from the cayenne pepper. Serve them at your next gathering and they will disappear fast – just like my bacon wrapped jalapenos!

A handing holding a stuffed mushroom with a bite taken out of it.

What makes them keto?

  • No bread crumbs – Many stuffed mushroom recipes call for breadcrumbs that are used as a filler and to help create a binder along with an egg for the inside stuffed component. This low-carb stuffed mushroom recipe doesn’t need breadcrumbs – although you can add keto breadcrumbs if you want. Don’t worry, these stuffed mushrooms won’t fall apart. They still contain ingredients like egg yolk and parmesan cheese that will serve as a binder in place of breadcrumbs or panko.
  • Only 1 carbIn each stuffed mushroom, there is only 1 gram carbohydrate. You can easily enjoy 2-3 stuffed mushrooms as an appetizer while sticking to your low-carb eating plan.

How to make stuffed mushrooms

  1. Clean mushrooms – Using a towel, wipe off any dirt from the outside of the mushrooms.
  2. Remove stems – Break off the stems from each mushroom, leaving just the cap.
  3. Dice stems – Reserve the stems and finely dice. These will go into the sausage mixture.
  4. Mix mushroom stuffing – Combine cream cheese, cooked ground sausage, diced stems and seasonings.
  5. Stuff mushrooms – Using a cookie scoop or spoon, fill each mushroom cap with mixture packing it tightly.
  6. Bake – Bake the stuffed mushrooms at 375° F for 15-20 minutes or until golden brown.
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Keto Stuffed Mushrooms

Prep 15m Cook 20m Total 35m 20 servings

Ingredients

  • 24 oz fresh mushrooms, cremini, or white button
  • 2 tablespoons unsalted butter, divided
  • 3 Italian sausage links (equaling 1/2 lb)
  • 1 tablespoon minced shallot
  • 1/4 teaspoon garlic powder
  • 1/4 cup dry white wine
  • 1/2 teaspoon salt
  • 1/4 teaspoon cayenne pepper
  • 1 teaspoon fresh thyme, finely chopped
  • 8 oz cream cheese, softened
  • 1 egg yolk
  • 3/4 cup grated Parmesan cheese

Step by Step Instructions

Step by Step Instructions

1
Mushroom prep

Carefully clean the mushrooms using a damp towel to remove any dirt and debris. Remove the stems from the mushroom caps and finely chop them. Set aside.

A cutting board with diced mushroom stems and a knife next to a bowl of mushroom caps.
Tip Ideally select large mushrooms so you can add more filling.
Ingredients for this step
  • 24 oz fresh mushrooms, cremini, or white button
2
Cook the sausage

In a large skillet, melt 1 tablespoon butter over medium-high heat. While the butter is melting, remove the casings from the sausages and add them to the frying pan once the butter has started to bubble. Break up the sausage into smaller pieces with a wooden spoon or spatula and cook until no longer pink (about 5 minutes). Once sausage has browned, transfer to a bowl and set aside.

A skillet with cooked sausage next to a bowl of diced shallot.
Tip Can use ground sausage or sausage links.
Ingredients for this step
  • 1 tablespoon butter
  • 3 sausage links
3
Sauté shallots

Leaving the drippings from the sausage meat in the frying pan, add the chopped shallots and sauté until soft and golden.

A white cast iron skillet with cooked shallot.
Ingredients for this step
  • 1 tablespoon minced shallot
4
Get fancy

Add the remaining butter and chopped mushroom stems to the shallot mixture. Sprinkle with a pinch of salt. Cook until any liquid that comes out of the mushrooms has evaporated Add the wine, scraping up any brown bits from the skillet. Simmer the mixture for three minutes or until the alcohol has been cooked off and the liquid has evaporated.

Cooked mushroom stems in a skillet next to a wine bottle and minced thyme.
Tip Pour 5 oz of the white wine into a glass and sip every 2 minutes while you finish the rest of the recipe. Repeat if necessary.
Ingredients for this step
  • 1 tablespoon butter
  • chopped mushroom stems
  • pinch of salt
  • 1/4 cup dry white wine
5
It's time for thyme

Remove skillet from the heat and stir in the chopped thyme.

Thyme on top of mushroom mixture in a skillet.
Tip Don't have fresh thyme? Just use 1/4 teaspoon dried thyme.
Ingredients for this step
  • 1 teaspoon fresh thyme, finely chopped
6
Mix the creamy components

While the mushroom mixture cools down, add cream cheese, egg yolk, and grated Parmesan cheese to a large bowl. Stir until well combined.

A bowl with cream cheese, egg yolk and parmesan cheese next to cooked sausage and mushrooms.
Tip Best results if you use an electric mixer.
Ingredients for this step
  • 8 oz cream cheese, softened
  • 1 egg yolk
  • 3/4 cup grated Parmesan cheese
7
Finish the filling

Add sausage and mushroom mixture to the cheese and stir to combine.

A wooden spoon stirring a creamy cheese mixture of sausage next to a bowl of mushroom caps.
Ingredients for this step
  • cooked sausage
  • mushroom mixture
8
Stuff them

Fill each mushroom cap with the mixture, pressing gently to ensure it is completely filled leaving a slightly rounded top. Place the mushroom caps face up on a parchment-lined baking sheet. Refrigerate mushrooms for 15-30 minutes while oven preheats to 375° F.

Unbaked stuffed mushrooms on a tray next to a bowl of filling and a bowl of mushroom caps.
Tip Fill the mushrooms caps using a spoon, small cookie scoop or piping bag.
9
Bake

Place the baking sheet on the center rack in the oven and bake at 375° F for 15-20 minutes or until the tops are golden brown. Garnish with more chopped thyme if desired. Serve immediately.

Baked stuffed mushrooms on a parchment lined tray next to a green linen napkin.
Nutrition Per Serving 2 mushrooms
116 Calories
9.6g Fat
4.8g Protein
2g Net Carbs
2g Total Carbs
20 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Keto Stuffed Mushrooms

Frequently Asked Questions

What type of white wine is best for stuffed mushrooms?

Any dry white wine will work when making this low-carb stuffed mushroom recipe. I used a Sauvignon Blanc as it typically has less carbohydrates; however, a Chardonnay or Pinot Grigio would be delicious as well.

What can I use in place of alcohol in this recipe?

The alcohol in this recipe gets cooked out during cooking, leaving behind only the flavor; however, if you prefer, you can substitute chicken broth for the wine using the same quantity.

How do I remove the stem from the mushroom cap?

Hold the mushroom cap in one hand and gently grasp the stem with the other. Twist the stem gently and pull it out. If the stem does not come out easily with a twist, use a small paring knife. Carefully insert the knife between the stem and the cap and gently wiggle it to loosen the stem. Then, pull the stem out.

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Sausage and cheese filled stuffed mushrooms on a baking tray next to fresh thyme.

Best mushrooms for stuffing

When making stuffed mushrooms, select medium to large sized mushrooms  – just make sure they are uniform in size. As for the best types of mushrooms to use, select button mushrooms (aka white mushrooms), cremini mushrooms or Portobello.

Variations

To add variety, try these ideas for different flavor combinations:

Use different proteins

Instead of Italian sausage, try using crumbled bacon, ground chicken, turkey, or beef. For a vegetarian option, substitute with finely chopped vegetables, like bell peppers and zucchini.

Swap out cheeses

Instead of Parmesan cheese, use mozzarella for a milder flavor or sharp cheddar cheese for a bolder taste.  You can also add blue cheese, goat cheese or feta for a tangy twist.

Herbs & seasoning

Experiment with different herbs like rosemary, basil, or oregano for a new flavor profile. Spices like smoked paprika or a bit of chili powder can add a nice heat.

Go nuts

For a crunchy texture, consider adding finely chopped nuts like walnuts or pecans to the filling.
Ground sausage stuffed mushrooms on a tray.

Storage & make ahead instructions

Make ahead

The filling in this recipe can easily be doubled. Place filling in an air-tight container and freeze until ready to use. Stuffed mushrooms with sausage can be made a day ahead of time. Store stuffed mushrooms in a baking dish wrapped with plastic wrap or air-tight container in the refrigerator for up to one day. Then bake when ready to serve.

Storage

Stuffed mushrooms are best served right away once they are baked. Otherwise, the mushrooms can release too much fluid as they sit out, making them a little soggy. If you do have leftovers, store them in the refrigerator for 2-3 days.
About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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