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Stuffed Portobello Mushrooms with Sausage

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These stuffed portobello mushrooms with sausage are hearty, cheesy, packed with flavour, and surprisingly easy to throw together on a busy weeknight. Juicy mushrooms loaded with savoury Italian sausage? Yeah, this dinner definitely earns a repeat spot.

If you ask me, stuffed mushrooms deserve way more credit in the dinner department. These stuffed portobello mushrooms with sausage are rich, meaty, and seriously satisfying thanks to the savoury sausage filling, fresh basil, garlic, and parmesan. They’re great on their own for an easy low carb dinner, but also pair perfectly with cozy sides like creamy spinach mashed potatoes or simple oven roasted broccoli.

What I really love about this recipe is that it feels a little fancy without actually requiring much effort. It comes together in under 30 minutes, uses everyday ingredients, and tastes like something you’d order at your favourite little Italian restaurant. If you’re already a fan of easy dinners like my sheet pan sausage with peppers and onions or these sausage stuffed peppers, this one fits right in with the comfort food crew.

cooked sausage stuffed portobello mushroom on a double plate garnished with fresh parmesan cheese and fresh basil, baking tray with more mushrooms in the background next to some forks.
  • Fancy enough for guests but easy enough for a random Tuesday night.

Ingredients You’ll Need

ingredients for sausage stuffed portobello mushrooms - portobellos, italian sausage, garlic, onion, basil, parmesan cheese, pepper, salt, chili flakes

You only need a handful of simple ingredients to make these stuffed portobello mushrooms with sausage, but each one pulls its weight in the flavour department. Between the juicy Italian sausage, earthy mushrooms, fresh basil, and salty parmesan, every bite is rich, savoury, and seriously satisfying.

cooked stuffed portobello mushrooms with sausage on a lined baking sheet, garnished with fresh basil and parmesan cheese, wooden spoon in the background

Key Tips for the Best Sausage Stuffed Portobello Mushrooms

A few small details can make a big difference when it comes to stuffed mushrooms. These quick tips will help keep them flavourful, sturdy, and perfectly stuffed instead of watery and floppy.

  • Choose mushrooms with tall sides. The deeper the mushroom cap, the easier it is to pile in all that delicious sausage filling without it spilling everywhere.
  • Skip washing the mushrooms under water. Portobellos already hold a lot of moisture naturally, so wiping them clean with a damp cloth or paper towel works best here.
  • Remove the gills for more room. Totally optional, but scooping them out makes the mushrooms look a little cleaner and gives you extra space for stuffing.
  • Season the mushrooms before stuffing. A little olive oil, salt, and pepper directly on the mushrooms adds flavour from the very first bite.
fork piercing a portobello mushroom piece stuffed with italian sausage over a plate with the rest

How to Keep Stuffed Portobello Mushrooms From Getting Watery

Portobello mushrooms naturally release moisture as they cook, but a few simple tricks help keep these stuffed mushrooms flavourful instead of soggy.

  • For extra insurance, you can pre-bake the mushroom caps for 5 minutes before stuffing them. This helps release some moisture ahead of time.
  • Keep in mind that portobellos naturally shrink a bit as they bake. That’s completely normal and part of what gives them that tender, juicy texture.
Cloche with heart.

One of the best things about these stuffed portobello mushrooms with sausage is how easy they are to switch up depending on what you have in the fridge or what kind of flavour you’re craving.

  • Extra Cheesy Version. These mushrooms are already packed with flavour, but if you’re a cheese lover, go ahead and add a little extra parmesan or mozzarella before baking. A quick broil at the end makes the top golden, bubbly, and seriously irresistible. If cheesy mushrooms are your thing, you’ll probably also love my creamy stuffed mushroom recipe.
  • Add Crispy Bacon or Prosciutto. For even more savoury flavour, try adding crispy chopped bacon or torn crispy prosciutto bits to the filling before stuffing the mushrooms. Both add a salty, crispy bite that pairs perfectly with the sausage and parmesan. If you’ve got leftovers, this recipe is also a great excuse to use them up.
two sausage stuffed portobello mushrooms on a plate, garnished with freshly grated parmesan cheese and fresh basil, two forks in the background

Absolutely! Portobello mushroom gills are completely edible. I usually remove them because they can look a little dark after baking and taking them out gives you more room for stuffing, but if you want to leave them in, go right ahead.

Yep! You can prepare the sausage filling up to 3 days in advance and keep it stored in the fridge until ready to use. You can also fully stuff the mushrooms ahead of time and refrigerate them covered until ready to bake.

You can, but keep in mind the mushrooms may soften a bit once thawed and reheated. For best texture, I recommend enjoying them fresh or storing leftovers in the fridge for a couple of days instead.

Italian sausage is my favourite because it adds so much flavour right out of the package. Mild, hot, sweet, or spicy all work well depending on your preference. Chicken sausage, turkey sausage, or chorizo are also great options.

Store leftovers in an airtight container in the fridge for up to 2 days. Reheat them in the oven until warmed through for the best texture.

cooked sausage stuffed portobello mushroom on a double plate garnished with fresh parmesan cheese and fresh basil, baking tray with more mushrooms in the background next to some forks.

Stuffed Portobello Mushrooms with Sausage

Stuffed portobello mushrooms with sausage are cheesy, hearty, and packed with savoury Italian sausage, garlic, basil, and parmesan in every bite.
5 from 1 vote
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings 4 Mushrooms

Ingredients
  

  • 4 large portobello mushrooms
  • 1 pound Italian sausage
  • 2 cloves garlic (minced)
  • ½ cup onion (finely chopped)
  • ¼ cup fresh basil (chopped)
  • ¼ cup freshly grated parmesan cheese
  • 1 tbsp extra virgin olive oil
  • ½ tsp salt (plus more for the mushrooms)
  • ¼ tsp pepper (plus more for the mushrooms)
  • ¼ tsp chili flakes (optional)

Instructions
 

  1. Preheat the oven to 375°F and line a baking sheet with parchment paper.
  2. Gently wipe the portobello mushrooms clean with a damp cloth or paper towel.
    hand with a paper towel wiping the back of a portobello mushroom clean.
  3. Remove the stems, finely chop them, and set aside.
    chopped mushroom stems in a glass bowl.
  4. Use a spoon to carefully scrape out the gills.
    hand with a spoon removing the gills from a large portobello mushroom.
  5. Place the mushrooms on the prepared baking sheet. Brush or spray both sides lightly with olive oil and season with salt and pepper.
    4 large portobello mushrooms seasoned with salt and pepper face up on a parchment lined baking sheet.
  6. Heat the olive oil in a large skillet over medium heat. Add the chopped mushroom stems, onion, and garlic. Cook for 4 to 5 minutes, until softened and fragrant.
    wok with steaming diced onion, mushrooms, and garlic.
  7. Add the Italian sausage and cook until browned, breaking it apart as it cooks. If the mixture looks greasy or watery, carefully drain the excess liquid.
    raw italian sausage in a skillet with diced onion, garlic, and mushroom stems.
  8. Stir in the salt, pepper, and chili flakes, if using. Remove the pan from the heat and mix in the fresh basil and parmesan cheese.
    wok with browned italian sausage, diced onions, garlic, freshly grated parmesan cheese, chili flakes, and chopped basil.
  9. Generously stuff each mushroom cap with the sausage filling, dividing it evenly between all four mushrooms.
    sausage stuffed portobello mushrooms on a parchment lined baking sheet.
  10. Bake for 15 minutes, or until the mushrooms are tender and cooked through.
    cooked sausage stuffed portobello mushrooms on a parchment lined baking sheet.
  11. Top with extra parmesan cheese and fresh basil before serving, if desired.
    top view of 2 portobello mushrooms stuffed with cooked italian sausage, garnished with freshly grated parmesan cheese and fresh basil on a grey plate.

Notes

Choose large portobello mushrooms with deeper sides if possible. They hold the filling much better and shrink less as they bake.
Mild, medium, hot, or sweet Italian sausage all work great here, so use whichever suits your taste best.
Don’t rinse the mushrooms under water. Wipe them clean with a damp cloth instead to avoid excess moisture.
Freshly grated parmesan melts and tastes way better than the pre-shredded kind and gives the filling the best texture.
Want an extra cheesy finish? Add shredded mozzarella on top and broil for 1 to 2 minutes at the end until bubbly and golden.
Store leftovers in an airtight container in the fridge for up to 2 days and reheat in the oven for the best texture.

Nutrition

Serving: 1Mushroom | Calories: 477kcal | Carbohydrates: 7g | Protein: 21g | Fat: 41g | Saturated Fat: 14g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 19g | Trans Fat: 0.003g | Cholesterol: 90mg | Sodium: 1376mg | Potassium: 641mg | Fiber: 2g | Sugar: 3g | Vitamin A: 166IU | Vitamin C: 4mg | Calcium: 108mg | Iron: 2mg

Don’t skip the good stuff —

scroll up above the recipe card for ingredient notes, tips & tricks, and easy swaps/variations.
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PIN FOR PORTOBELLO MUSHROOMS STUFFED WITH SAUSAGE
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