stuffed mushrooms are everything you want in an appetizer: creamy, herby, with just the right amount of crunch from walnuts and a bright pop from sun-dried tomatoes. I started making these for family gatherings after tasting something similar at a friend's holiday party, and now they're the first thing to disappear from any spread. They look fancy but come together in about 35 minutes with ingredients you probably already have on hand.
If you love easy appetizers, try my Easy chicken Sausage White Bean Skillet recipe or these Easy Ramen Noodle Salad recipe , Easy Firecracker Chicken Recipe for your next get together.
Why You'll Love This Stuffed Mushrooms Recipe
These savory stuffed mushrooms check every box. They're quick enough for a weeknight but impressive enough for guests. The filling is rich and flavorful without being overwhelming, and you can prep them ahead if you need to. Kids love them because they're bite-sized, and adults love them because they actually taste like real food, not just party snacks. Plus, they're vegetarian, which makes them perfect for mixed crowds.
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stuffed mushrooms Ingredients
Here's what goes into these creamy, herb-packed mushroom caps.
See Recipe Card Below This Post For Ingredients Quantities
- Butter: Melts into the onions and garlic to create a rich, flavorful base for the filling.
- Yellow onion: Adds sweetness and a soft texture once it's sautéed. Dice it small so it blends smoothly.
- Rosemary: Brings an earthy, woodsy flavor that pairs beautifully with mushrooms. Fresh rosemary makes all the difference here.
- Garlic cloves: Adds that warm, savory punch. Always cook garlic until it's just fragrant so it doesn't turn bitter.
- Parsley: Brightens everything up with a fresh, grassy note. Save a pinch for garnish at the end.
- Walnuts: Give the filling a subtle crunch and a nutty richness. Crushed, not finely ground, works best.
- Cream cheese: The heart of the filling. It makes everything creamy and holds the stuffing together while it bakes.
- Salt and black pepper: Balance the flavors and bring out the savory notes. Freshly cracked pepper tastes sharper and more vibrant.
- Italian breadcrumbs: Help absorb moisture and give the filling a little structure. Plain panko works great too if that's what you have.
- Parmesan cheese: Adds a salty, umami boost and helps the tops get golden and slightly crispy.
- Sun-dried tomatoes in oil: These bring tangy sweetness and a chewy texture. The reserved oil is used to brush the mushrooms before baking.
- Button mushrooms: The perfect size for stuffing. Look for mushrooms that are firm and relatively uniform so they bake evenly.
how To make stuffed mushrooms
Sauté the aromatics: Melt the butter in a medium skillet over medium heat. Add the diced onion and rosemary sprig, and sauté until the onion turns soft and translucent, about 4 minutes. The butter should smell rich and the onion should look glossy.
Add the garlic: Toss in the minced garlic and cook until fragrant, about 2 minutes. You'll know it's ready when the kitchen smells amazing and the garlic just starts to turn golden.
Make the filling: Remove the rosemary leaves from the sprig and throw out the woody stem. Transfer the rosemary leaves, cooked onions, garlic, and all that butter to a food processor. Add the minced parsley (save a pinch for later), walnuts, cream cheese, salt, and pepper. Pulse until everything is combined but still a little chunky. You don't want it smooth like a dip.
Fold in the mix-ins: Stir in the breadcrumbs, Parmesan cheese, and minced sun-dried tomatoes. The mixture should be thick and scoopable, not runny.
Prep the mushrooms: Clean the mushrooms by wiping them down with a dry towel to get rid of any dirt. Pull off the stems and use a spoon to scoop out the gills inside each cap. Toss the gills and stuff each mushroom generously with the filling. Really pack it in there.
Oil them up: Drizzle the reserved sun-dried tomato oil over the stuffed mushrooms. Rub the bottom of each mushroom cap in any leftover oil on the baking sheet so they don't stick and they get a little extra flavor.
Bake: Arrange the stuffed mushrooms on a lightly greased, parchment-lined baking sheet. Bake in a 400°F oven for 15 minutes. The tops should look golden and the mushrooms should be tender when you poke them with a fork.
Garnish and serve: Once they're done, sprinkle the reserved parsley on top and add a crank of fresh salt and pepper. Serve them warm.
Substitutions and Variations
No food processor? You can finely chop everything by hand and mix it in a bowl. It'll take a little longer, but it works.
Swap the walnuts: Pecans, almonds, or even pine nuts would be great. Toasting them first adds even more flavor.
Make them gluten-free: Use gluten-free breadcrumbs or crushed gluten-free crackers instead of the Italian breadcrumbs.
Add protein: Cooked crumbled sausage, crispy bacon bits, or even cooked ground turkey can be folded into the filling for a heartier version.
Try different cheeses: Goat cheese, ricotta, or a mix of mozzarella and Parmesan would all work beautifully.
Skip the sun-dried tomatoes: If you're not a fan, leave them out and add a handful of chopped fresh spinach or some diced roasted red peppers instead.
Equipment for stuffed mushrooms
You don't need much to pull these off. A medium-size skillet for sautéing the aromatics, a food processor to blitz the filling together quickly, a parchment-lined baking sheet to keep everything from sticking, and a spoon to scoop out the mushroom gills and stuff the caps. That's it.
Storage and Reheating Tips
Refrigerator: Store any leftover stuffed mushrooms in an airtight container for up to 3 days. They're great cold, honestly, but they're better warmed up.
Reheating: Pop them in a 350°F oven for about 8 to 10 minutes, or microwave them for 30 seconds. The oven keeps them from getting soggy.
Make ahead: You can stuff the mushrooms a few hours ahead and keep them covered in the fridge until you're ready to bake. Just add a minute or two to the baking time if they're cold from the fridge.
Freezing: I wouldn't recommend freezing these after they're cooked. Mushrooms get a little watery when thawed. But you can freeze the filling on its own for up to 2 months if you want to prep ahead.
expert tips
Don't skip removing the gills. It might seem like extra work, but scooping out the gills gives you more room for the filling and keeps the mushrooms from releasing too much moisture while they bake.
Use room-temperature cream cheese. It blends way easier and creates a smoother, creamier filling. Cold cream cheese will leave lumps.
Don't wash the mushrooms under water. They're like little sponges and will absorb too much moisture. Just wipe them clean with a dry or slightly damp towel.
Pack the filling in tight. These stuffed mushrooms shrink a little as they bake, so be generous with the stuffing. You want every bite to be full of that creamy, herby goodness.
Watch the baking time. Fifteen minutes is usually perfect, but if your stuffed mushrooms are on the larger side, they might need an extra 2 to 3 minutes. The filling should look set and the tops should be golden.
FAQ
What do you put in a stuffed mushroom?
You can fill stuffed mushrooms with just about anything, but the classic combination includes cream cheese, breadcrumbs, Parmesan, garlic, and herbs. Some people add sausage, bacon, or crab meat for extra protein. This recipe uses walnuts and sun-dried tomatoes for a vegetarian version that's still packed with flavor.
What are common mistakes when making stuffed mushrooms?
The biggest mistake is not removing the gills, which can make the mushrooms watery. Another one is overcrowding the baking sheet, which steams the stuffed mushrooms instead of roasting them. Also, washing mushrooms under water instead of wiping them dry can lead to soggy results. Always stuff them generously too, because they shrink as they cook.
How to make non-soggy stuffed mushrooms?
Start by wiping your mushrooms clean with a dry towel instead of rinsing them. Remove the stems and scoop out the gills to create more space and reduce moisture. Use breadcrumbs in your filling to absorb any extra liquid, and don't overcrowd the baking sheet. Bake them at a high temperature like 400°F so they roast instead of steam.
How long do mushrooms need to be baked?
Most stuffed mushrooms bake in about 15 minutes at 400°F. You'll know they're done when the filling is golden on top and the mushroom caps are tender. If you're using larger stuffed mushrooms like portobellos, you might need to add a few extra minutes .
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Pairing
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Stuffed Mushrooms
Ingredients
Method
- In a medium skillet, melt the butter over medium heat. Add the diced onion and rosemary sprig. Sauté until the onion is soft and translucent, about 4 minutes.
- Add the minced garlic to the skillet and cook for about 2 minutes until fragrant.
- Remove the rosemary leaves from the sprig, discarding the stem. Add the rosemary leaves, cooked onions, garlic, and butter from the pan to a food processor. Add the minced parsley (reserve a pinch for garnish), crushed walnuts, cream cheese, salt, and pepper. Pulse in the food processor until well combined but still chunky.
- Fold in the breadcrumbs, Parmesan cheese, and minced sun-dried tomatoes.
- Clean the mushrooms with a dry towel to remove any dirt. Remove the stems and use a spoon to scoop out the gills. Discard the gills. Stuff the mushrooms generously with the filling, allowing it to overflow slightly.
- Drizzle the reserved sun-dried tomato oil over the stuffed mushrooms. Rub any leftover oil from the baking sheet on the bottom of each mushroom.
- Bake the mushrooms in a 400°F (200°C) oven for 15 minutes, or until golden and bubbly on top.
- Once done, garnish with the reserved parsley and a pinch of salt and pepper. Serve and enjoy!
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