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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.

✳︎ Why You’ll Love These Stuffed Portobello Mushrooms with Sausage
- Ready in about 30 minutes, which means less cooking and more eating.
- Hearty and filling without feeling overly heavy.
- Packed with savoury Italian sausage, garlic, parmesan, and fresh basil.
- Naturally low carb and keto friendly.
- Fancy enough for guests but easy enough for a random Tuesday night.
Ingredients You’ll Need

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.
The Best Portobello Mushrooms for Stuffing
When shopping for portobello mushrooms, try to look for large, round ones with taller edges all the way around. Since we’re stuffing them nice and full, you want mushrooms that can actually hold all that delicious sausage filling without everything spilling out the sides.
If possible, avoid mushrooms that are super flat or shallow. The deeper the mushroom cap, the better the stuffing situation. Also keep in mind that mushrooms naturally release moisture and shrink a little as they bake, so starting with larger ones definitely helps.
Choosing the Right Sausage
Italian sausage adds a ton of flavour to this recipe with very little effort. Mild, medium, hot, or sweet Italian sausage all work great here, so feel free to use your favourite depending on how spicy you like things.
I used homemade mild Italian sausage, but store bought works perfectly too. You can also switch things up with chicken sausage, turkey sausage, or even spicy chorizo if you want a little extra kick.
Cheese + Fresh Herb Notes
Freshly grated parmesan cheese adds salty, nutty flavour and helps bring the whole filling together. I definitely recommend grating your own if you can since it melts and tastes so much better than the pre-shredded stuff.
Fresh basil adds brightness and keeps the filling from feeling too heavy. It also gives these stuffed mushrooms that fresh, restaurant style finish that makes them taste a little extra special.

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.

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.
- Wipe the mushrooms clean with a damp cloth instead of rinsing them under water. Mushrooms soak up moisture quickly and we definitely don’t want to add any extra.
- If your sausage mixture looks greasy or watery after cooking, drain it before stuffing the mushrooms. A drier filling holds together much better.
- Give the mushrooms a little space on the baking sheet. Overcrowding can trap steam and make everything softer than intended.
- 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.

Variations
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.
- Mozzarella Cheese Version. Want things extra melty? Add shredded mozzarella cheese to the sausage filling or sprinkle some over top before baking. It gives these mushrooms a gooey, cheesy finish that works perfectly with the Italian sausage and fresh basil. If you love the combo of melty mozzarella and juicy portobellos, you’ll definitely want to try my caprese stuffed portobello mushrooms next.
- Spicy Italian Sausage. If you like a little heat, swap the mild sausage for hot Italian sausage or add an extra pinch of chili flakes to the filling. The spice pairs really well with the earthy mushrooms and salty parmesan.
- Turkey or Chicken Sausage. For a slightly lighter version, turkey sausage or chicken sausage both work great here. You still get tons of flavour while keeping the filling a little leaner.
- 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.

What to Serve With Stuffed Portobello Mushrooms
These stuffed portobello mushrooms with sausage are hearty enough to stand on their own, but they also pair really well with simple sides that round out the meal without a ton of extra work.
Frequently Asked Questions
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Stuffed Portobello Mushrooms with Sausage
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
- Preheat the oven to 375°F and line a baking sheet with parchment paper.
- Gently wipe the portobello mushrooms clean with a damp cloth or paper towel.
- Remove the stems, finely chop them, and set aside.
- Use a spoon to carefully scrape out the gills.
- Place the mushrooms on the prepared baking sheet. Brush or spray both sides lightly with olive oil and season with salt and pepper.
- 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.
- 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.
- 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.
- Generously stuff each mushroom cap with the sausage filling, dividing it evenly between all four mushrooms.
- Bake for 15 minutes, or until the mushrooms are tender and cooked through.
- Top with extra parmesan cheese and fresh basil before serving, if desired.
Notes
Nutrition
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