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    Home » Recipes » Appetizers

    Baked Portobello Mushrooms

    By: Jessica · Posted: Dec 10, 2020 · Updated: Nov 12, 2022 · This post may contain affiliate links. Please read my disclosure policy.

    Jump to Recipe
    Total Time: 25 minutes
    Servings: 4 mushrooms
    Stuffed baked portobello mushrooms with text on image

    Baked Portobello Mushrooms: Stuffed with cheeses and a blend of spices like Italian seasoning, garlic, onion powder, salt & pepper, this recipe is easy and the BEST!

    When I say this is the BEST baked portobello mushrooms I’ve ever had, I’m not just saying that because the recipe is here on this blog.

    Consider it a happy accident…

    Baked Portobello Mushrooms

    Baked Portobello Mushrooms

    The first time I bought portobellos, I only knew that I wanted to do SOMETHING with them, even if it was to just slice and fry them in flour and oil.

    But the day this “happy accident” occurred, I was staring at a refrigerator full of cream cheese and I knew I had to use some of it since I have a bad habit of overbuying some each time I place a grocery pickup order.

    So when I combined the cream cheese, extra shredded cheeses I had on hand and a few spices from my pantry, it lead to a recipe that left my husband saying,

    Jessica, this is really good. Like… REALLY good. It’s the best stuffed mushrooms I’ve ever had.”

    So the next time I made them, (because I HAD to make them again)… I made sure to take photos and nail down the recipe to share with you all!

    How to Make Baked Portobello Mushrooms

    First things first, I show 4 portobello mushrooms for this recipe, but honestly, the filling could be enough to fill more mushrooms if desired.

    For the full recipe ingredients and instructions, you’ll find the free printable recipe card at the bottom of this post. However, I’d love to walk you through the step-by-step process with images so you can grab more helpful tips along the way.

    How to Clean Portobello Mushrooms

    First you’ll want to clean your mushrooms:

    • Remove the gills/stems from the inside of the portobello mushrooms. An easy way to do this is to use a spoon to scrape out the gills (the little black lines inside the rim of the mushroom). Discard the stems/gills.
    • With a wet paper towel, gently wipe down the mushrooms. (Soaking the mushrooms in water is not a good idea, as they’ll absorb the water.)
    Portobello Mushrooms

    Oil the Mushrooms

    • Mix olive oil, salt and pepper together in a small bowl
    Oil salt and pepper
    • Using a basting brush, brush the inside and outside of the portobellos with the oil and spice mixture.
    Coat mushrooms with oil and spices

    How long to pre-bake mushrooms

    • Bake the mushrooms on a cookie sheet at 425° fo 10 minutes.
    Bake mushrooms first and then stuff with cheese

    How to Make the Cream Cheese Mixture

    • In a small mixing bowl, mix together the cream cheese, shredded asiago, shredded cheddar, Italian seasoning, minced garlic, onion powder, kosher salt and pinch of pepper.
    Cream cheese in a bowl for stuffed mushroom
    Shredded asiago for stuffed mushooms
    Shredded cheddar cheese stuffed mushrooms
    Italian Seasoning for stuffed mushrooms
    Minced Garlic for Stuffed Mushrooms
    Kosher salt for stuffed portobello mushrooms
    Black pepper stuffed portobello mushroom
    • Mix ingredients all together until evenly combined.
    Cheese filling for baked portobello mushrooms

    Stuff the Portobellos with Cheese

    Fill the mushrooms with the cream cheese mixture, with the desired amount.
    (This could mean that you have filling leftover if you’re only cooking 4 mushrooms like I did… or if you like a lot of filling you can use all of it!)

    Stuff mushrooms with cheeses

    How Long to Bake Stuffed Portobello Mushrooms

    • Since you have “pre-baked” the mushrooms, you only need to bake the stuffed mushrooms for an additional 10 minutes or until the cheese filling is heated through.
    Bake the stuffed mushrooms

    What to Garnish Stuffed Portobello Mushrooms With:

    • If desired, feel free to garnish your stuffed mushrooms with grated parmesan, fresh parsley or extra shredded asiago!
    Stuffed Portobello Mushrooms

    What to Serve Stuffed Portobello Mushrooms with:

    • We absolutely love eating this as a main dish. Plus, if you’re looking for a great keto/low carb recipe, this.is.it!
    • Or, you can serve this as an appetizer or even as a side dish recipe alongside your favorite main course!
    Baked Portobello Mushrooms
    Stuffed portobello mushrooms

    Baked Portobello Mushrooms

    Jessica Burgess
    Baked Portobello Mushrooms: Stuffed with cheeses and a blend of spices like Italian seasoning, garlic, onion powder, salt & pepper, this recipe is easy and the BEST!
    5 from 17 votes
    Print Recipe Pin Recipe
    Prep Time 5 mins
    Cook Time 10 mins
    Additional Cook Time 10 mins
    Total Time 25 mins
    Course Appetizer
    Cuisine American
    Servings 4 mushrooms
    Calories 427 kcal

    Ingredients
     

    • 4 portobellos stems and gills removed wiped clean
    • 1/3 cup olive oil
    • 1 teaspoon kosher salt + 1/2 teaspoon for filling
    • 1/4 teaspoon black pepper + pinch of pepper for filling
    • 8 oz. cream cheese softened
    • 1/4 cup shredded asiago
    • 1/4 cup shredded cheddar
    • 1/2 teaspoon Italian seasoning
    • 1 teaspoon minced garlic
    • 1/2 teaspoon onion powder
    • parmesan cheese, fresh parsley, asiago optional garnishes
    Prevent your screen from going dark

    Instructions
     

    • Preheat oven to 425°. Remove stems and gills from portobello mushrooms. With a damp paper towel, wipe down the mushrooms gently to clean them
    • Mix olive oil, 1 teaspoon salt and 1/4 teaspoon pepper together in a small bowl.
    • Brush inside and outside of mushrooms with olive oil mixture.
    • Bake mushrooms on a cookie sheet at 425° for 10 minutes.
    • While mushrooms are baking, mix together cream cheese, shredded asiago, shredded cheddar cheese, and spices in a mixing bowl.
    • Remove mushrooms from oven and stuff with filling and bake another 10 minutes or until cheese is melted and heated through.
    • Garnish with grated parmesan, fresh parsley or extra asiago if desired!

    Notes

    Note: The amount of filling in this recipe may be more than what you prefer to fill the mushrooms with. Fill the desired amount in each mushroom and if you end up with extra filling, save it for later and stuff extra things you may have in the refrigerator like peppers or use it as a dip!

    Nutrition

    Serving: 1mushroom | Calories: 427kcal | Carbohydrates: 7g | Protein: 9g | Fat: 42g | Saturated Fat: 16g | Cholesterol: 74mg | Sodium: 1206mg | Potassium: 384mg | Fiber: 1g | Sugar: 4g | Vitamin A: 881IU | Vitamin C: 1mg | Calcium: 187mg | Iron: 1mg

    Nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more.

    Keywords baked mushrooms, portobello mushrooms, stuffed mushrooms
    Tried this recipe?Let us know how it was!

    Did You Make This?
    Snap a pic and hashtag it #Fantabulosity — I love to see your creations on Instagram, Facebook, and Twitter!

    If you Love This Recipe You’ll Love my Other Appetizer Recipes:

    • Fried Chicken Sliders
    • Bisquick Cheddar Biscuits
    • Sloppy Joe Sliders
    • Christmas Tree Charcuterie Board

    See more appetizer recipes →

    More Easy Appetizer Recipes

    • Texas Toast Pizza
    • Chocolate Chip Cheese Ball with M&M’s
    • Brioche Croutons
    • Cowboy Queso

    Get my 5 Secrets to Get Dinner on the Table FAST!

    Reader Interactions

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    1. Betsy says

      December 10, 2020 at 10:58 pm

      5 stars
      WOW!! These are so incredible! And so filling! So perfect with a side of roasted asparagus! YUM. Absolutely perfect meal for Meatless Monday!

      Reply
      • Jessica says

        December 10, 2020 at 11:17 pm

        Thank you so much Betsy!! I’m so glad to hear that you liked them! Thank you for taking the time to leave a comment and a review!

        Reply
    2. Eden says

      December 11, 2020 at 7:59 am

      5 stars
      we loved these! great directions and they turned out delicious!

      Reply
      • Jessica says

        December 11, 2020 at 10:19 am

        Thank you so much Eden!! I’m so glad to hear that you liked them!

        Reply
    3. Beth says

      December 11, 2020 at 8:34 am

      5 stars
      These look so delicious and yummy! My husband and I are going to love this recipe! Can’t wait to give this a try!

      Reply
      • Jessica says

        December 11, 2020 at 10:19 am

        Thank you Beth!! I hope you love them as much as we do!

        Reply
    4. Julie says

      March 08, 2022 at 3:20 am

      This recipe is perfect! So delicious!

      Reply
      • Jessica says

        March 08, 2022 at 10:28 pm

        Thank you Julie! I’m so glad you liked these mushrooms too!

        Reply
    5. Dorothy Dempsey says

      December 01, 2022 at 7:25 pm

      5 stars
      I love this recipe. Basting the the mushrooms in olive oil and baking them in advance of stuffing was a step I have missed. I did alter with fat free yogurt instead of cream cheese and added chopped spinach! YUM!

      Reply
      • Jessica says

        December 01, 2022 at 10:03 pm

        Oh yum!! I love that you used yogurt instead of cream cheese! I’ll have to try that, thank you for sharing and for the 5-star rating!

        Reply

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