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Low Carb Stuffed Portobello Mushrooms - with beef and cheese

Updated on June 19, 2013
Low Carb Meals can be awesome!
Low Carb Meals can be awesome! | Source

Italian Food Recipes

I’m following a low carb diet plan, so I’m all into low carbs. One challenge I’ve encountered is Italian food. It’s probably my husband’s favorite, and he never seems to get tired of it. Few things make him happier than when I tell him I’m making homemade spaghetti or lasagna for dinner. Obviously, on a low carb diet, I can’t enjoy either of these traditional Italian recipes. I’ve learned, however, that I can enjoy many of the same flavors found in Italian food and still stick to my low carb diet by making some substitutions. For example, I make a low carb lasagna that’s pretty darn tasty. If you’re interested, you can click to get that recipe. You see, the problem with Italian food recipes and low carbs is mostly the pasta and the sauces. The other ingredients, like ground beef, sausage, chicken, cheeses, butter, and herbs and spices are all low carb or no carb. Most of the veggies used in Italian food recipes are low carb vegetables, like spinach, zucchini, tomatoes, mushrooms, and bell peppers. Olives have low carbs, also. Today I’ll tell you how to make delicious stuffed Portobello mushrooms that you can feel good about eating on a low carb diet plan.

Low Carb Italian
Low Carb Italian | Source

Low Carb Italian

Does low carb Italian really exist? Yes, it does, but you have to get somewhat creative. As you probably already know, pasta is high in carbs. For my low carb lasagna, I use low carb tortillas for the noodles. For low carb spaghetti and Alfredo dishes, I use no-carb Miracle Noodles.

Marinara sauce, Alfredo sauce, and spaghetti sauce aren’t low carb foods, either, mostly because of the sugars or wheat flour involved. The red sauces contain sugars, and traditional Alfredo sauce sometimes uses flour as a thickener. You can, however, make Alfredo sauce with just cheeses, butter, and cream, which is pretty low carb. I make it sometimes and serve it over sautéed low carb vegetables or shrimp. But what about the red sauces? You can find low carb marinara sauce, and n fact, Walden Farms has one that’s totally free of carbs, fat, and calories. This product is pretty good after I tweak it by adding some extra herbs and a little Splenda. You can buy this low carb product below.

Stuffed Mushroom Recipes
Stuffed Mushroom Recipes | Source

Stuffed Mushroom Recipes

I make several different stuffed mushroom recipes. Before I started my low carb diet plan, I often made seafood stuffed mushrooms, like the ones you find at Red Lobster. Along with the crabmeat and chopped shrimp, I used some type of breading. Depending on what I had on hand at the time, this might have been Italian breadcrumbs, crushed Ritz crackers, or soft white bread.

Let’s talk about the sauce now. Traditional marinara sauce delivers about eight grams of carbs in a serving size of ¼ cup. That count could be much higher, depending on the brand you use. I’ve already told you about the Walden Farms version, but it’s easy to make your own low carb marinara sauce with crushed tomatoes. ¼ cup of crushed tomatoes has just two grams of carbs. Turn it into a tasty sauce be adding minced garlic, onion powder, salt, artificial sweetener, oregano, and basil. Use it with your stuffed mushroom recipes in place of regular marinara or spaghetti sauce. I really don’t think you’ll notice the difference!

A yummy Portobello, with Italian flavors!
A yummy Portobello, with Italian flavors! | Source

Stuffed Portobello Mushrooms – for Low Carb Diets

How do you make stuffed Portobello mushrooms for low carb diets? Let’s start with the mushrooms. An average size Portobello mushroom cap, with gills removed, weighs about two ounces. One that size would contain twenty calories and have zero grams of fat. It would have two grams of carbohydrates, but it would also have two grams of fiber. If you know about net carbs, you know that combination means zero carbs. Mushrooms are no carb or low carb foods. Does that mean you can have any type of stuffed mushrooms you like on a low carb diet plan? No. the mushrooms themselves are fine, but the stuffing can be a problem. Many stuffed mushroom recipes use carb-dense ingredients in the stuffings, so you have to think differently.

For your stuffed mushroom recipes, used ingredients that are low in carbs or that contain no carbs. Use cooked ground beef, cooked ground sausage, or cooked and diced chicken. Cooked shrimp and crab meat are also great low carb options. You probably want your stuffing ingredients to “stick together,” so you’ll need to use some sort of binder. I often use mayonnaise, grated mozzarella cheese, a raw egg or egg white, ricotta cheese, or cream cheese for this purpose. Sometimes I use more than one in the same stuffed mushroom recipe.

Saute ground beef and onion.
Saute ground beef and onion. | Source
Combine beef and mozzarella with other ingredients.
Combine beef and mozzarella with other ingredients. | Source
Scrape out the gills with a spoon.
Scrape out the gills with a spoon. | Source
Place mushrooms in a glass baking dish.
Place mushrooms in a glass baking dish. | Source
Fill caps with beef stuffing.
Fill caps with beef stuffing. | Source
Place a slice of provolone on each filled cap.
Place a slice of provolone on each filled cap. | Source
Bake for 15 minutes.
Bake for 15 minutes. | Source

Stuffed Portobello Mushroom Recipe

This stuffed Portobello mushroom recipe makes enough for two servings. That means you can half all the carb counts I’ve provided below, provided that you eat just one mushroom. I usually remove the gills, but you don’t have to. To do so, just scrape the inside of the cap with the point of a spoon.


½ pound ground beef – 0 carbs

1 tablespoon chopped onion – 1 gram carbs

1 teaspoon minced garlic - 1 gram carbs

½ cup shredded mozzarella cheese – 0 carbs

¼ cup crushed tomatoes – 2 grams carbs

2 teaspoons Splenda – 0 carbs

½ teaspoon dried basil

½ teaspoon dried oregano

½ teaspoon onion powder

½ teaspoon garlic powder

½ teaspoon salt

2 Portobello mushroom caps – 0 net carbs

2 slices provolone cheese – 0 carbs

Rate my stuffed mushroom recipe. Thanks!

3.9 stars from 10 ratings of Low Carb Italian Stuffed Portobello Mushrooms

Cook Time

Prep time: 15 min
Cook time: 15 min
Ready in: 30 min
Yields: 2 servings


  1. Brown ground beef and onion in a skillet. Crumble beef. When the beef is almost done, add the garlic and cook for a minute more. Drain mixture on paper towels.
  2. While still hot, combine beef mixture with shredded mozzarella. Add crushed tomatoes, Splenda, basil, oregano, garlic powder, onion powder, and salt.
  3. Rinse and dry mushroom caps and remove stems and gills. Place stuffed mushrooms in a small glass baking dish. Divide beef and tomato mixture between the two mushrooms.
  4. Top each mushroom with a slice of provolone cheese. Add ¼ cup water to dish.
  5. Bake at 400 degrees for about 15 minutes, until mushrooms are tender.

Low Carb Meals

How do you turn these stuffed Portobellos into low carb meals? What to serve with the stuffed mushrooms? If you’re sticking to a low carb diet plan, leave off the garlic bread! Instead, serve the ‘shrooms with some Italian green beans, stir-fried spinach, sautéed zucchini, or asparagus. A nice green salad works well here, too. In fact, you might want to serve more than one side dish. This makes a really delicious low carb dinner, and you won’t feel at all deprived enjoying it. Since one of the stuffed mushrooms packs just two net carbs, it’s a guilt-free pleasure. The protein from the meat and cheeses will keep you full and satisfied for hours, too, while providing healthy calcium. You’ll have a wonderful meal and still be staying on your low carb diet plan!


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    • habee profile image

      Holle Abee 4 weeks ago from Georgia

      It's yummy, guys! Thanks for reading!

    • k@ri profile image

      Kari Poulsen 4 weeks ago from Ohio

      I'm always looking for good low carb food. This looks amazing. I can't wait to try it!

    • Wendy L Henderson profile image

      Wendy Henderson 22 months ago from PA

      This looks yummy. I'll have to try it out.

    • profile image

      Jack Skylander 22 months ago

      Do you have a spaghetti Squash recipe?

    • profile image

      LynneD 4 years ago

      Wonderful Recipe! I used chorizo instead of ground beef to spice up a bit and we just Loved it.

    • habee profile image

      Holle Abee 5 years ago from Georgia

      Thanks a bunch, CarNoobz!

    • CarNoobz profile image

      CarNoobz 5 years ago from USA

      Wow Habee! That looks SO GOOD =)

      Voted up!

    • habee profile image

      Holle Abee 5 years ago from Georgia

      Thanks for reading, random!

    • randomcreative profile image

      Rose Clearfield 5 years ago from Milwaukee, Wisconsin

      My mouth is watering! What a unique idea for portabello mushrooms, and there are so many ways that you can customize it. Thanks for sharing.

    • habee profile image

      Holle Abee 5 years ago from Georgia

      Thanks, Carol. I promise these stuffed mushrooms are D-licious!

    • carol7777 profile image

      carol stanley 5 years ago from Arizona

      Looks yummy and falls into the low carb group of foods. Will have to try this and we do love those mushrooms.. Voting UP and pinning.