Olive Garden Stuffed Mushrooms Recipe

Olive Garden’s stuffed mushrooms are one of the most ordered appetizers on their menu, and once you make them at home you’ll understand why.

The filling is a mix of clams, seasoned breadcrumbs, garlic, and cheese that bakes into something savory and satisfying in under 30 minutes.

This copycat recipe stays true to the original and is easy enough to pull together on any night of the week.

Ingredients

Serves: 4–6 (makes about 12–14 stuffed mushrooms)

For the mushrooms:

• 12–14 large white button mushrooms, stems removed and reserved
• 1 tablespoon olive oil
• Salt and black pepper to taste

For the filling:

• 1 can (6.5 oz) minced clams, drained (reserve 2 tablespoons of clam juice)
• Reserved mushroom stems, finely chopped
• 3/4 cup seasoned Italian breadcrumbs
• 3 cloves garlic, minced
• 2 tablespoons unsalted butter
• 3 tablespoons cream cheese, softened
• 1/4 cup grated parmesan
• 2 tablespoons fresh parsley, finely chopped
• 1/4 teaspoon onion powder
• 1/4 teaspoon black pepper

Why You Must Try This Olive Garden Stuffed Mushrooms Recipe

What makes Olive Garden’s stuffed mushrooms stand out is the clam and breadcrumb filling. It’s not a standard cheese-stuffed mushroom — the clams add a briny, savory depth that pairs naturally with garlic and parmesan, and the cream cheese binds everything together so the filling stays put when you bite in.

The mozzarella on top melts into a golden layer that holds the whole thing together. It’s a filling appetizer that works just as well on a weeknight dinner table as it does at a party. And it takes less than 30 minutes from start to finish.

Prep the Mushrooms

Wipe the mushrooms clean with a damp paper towel — don’t rinse them under water. Mushrooms absorb moisture easily and wet mushrooms release liquid in the oven, which makes the filling soggy and the bottoms watery.

Twist or pop the stems out gently and set them aside — you’ll use them in the filling. Use a small spoon to scrape out any remaining stem bits from the caps so there’s enough room for a good amount of filling.

Brush the outside of each cap lightly with olive oil and season with a pinch of salt and pepper. Place them cavity-side up in a baking dish.

Cook the Filling Base

Finely chop the reserved mushroom stems. Melt the butter in a skillet over medium heat and add the garlic.

Cook for about a minute until fragrant, then add the chopped stems. Cook for 3 to 4 minutes, stirring occasionally, until the mushroom pieces have released their moisture and the pan looks mostly dry.

This step matters — if you skip cooking the stems first, the moisture they release will make the filling wet and it won’t hold together properly inside the cap.

Once the pan is dry, remove from heat and let it cool for a few minutes before mixing with the other filling ingredients.

Mix and Fill

In a bowl, combine the cooked mushroom and garlic mixture with the drained clams, breadcrumbs, cream cheese, parmesan, parsley, onion powder, black pepper, and red pepper flakes if using.

Add the reserved 2 tablespoons of clam juice and stir everything together until the mixture holds when you press it. If it feels too dry, add a little more clam juice. If it’s too wet, add a tablespoon more breadcrumbs.

Taste it before filling — this is your only chance to adjust the seasoning. Spoon the filling generously into each mushroom cap, mounding it slightly above the rim.

Top With Cheese and Bake

Preheat your oven to 400°F. Scatter the shredded mozzarella and parmesan over the top of each filled mushroom.

Don’t be shy with the cheese — it melts into the filling and creates the golden, slightly crispy top you see in the photos. Place the baking dish in the oven and bake for 20 to 22 minutes until the mushrooms are tender, the filling is set, and the cheese is melted and starting to brown at the edges.

If the cheese isn’t browning by the end, switch the oven to broil for the last 2 minutes and watch closely.

Rest and Serve

Let the mushrooms sit for 3 to 5 minutes after they come out of the oven. They’ll be very hot straight from the oven and the filling needs a moment to set so it doesn’t fall out when you pick them up.

The liquid that pools in the bottom of the baking dish is a mix of mushroom juices and butter — it’s worth spooning a little over each mushroom before serving. Scatter fresh parsley on top and serve directly from the dish. These are best eaten warm, not piping hot.

How To Make This Olive Garden Stuffed Mushrooms Recipe Better

The recipe is already close to the restaurant version, but these changes push it further:

Use fresh clams if you can find them. Steam them open, chop the meat, and use the cooking liquid in place of canned clam juice. The flavor is noticeably cleaner and less tinny than the canned version.

Add a splash of white wine to the pan when you cook the stems. Let it reduce fully before mixing with the other filling ingredients. It adds a subtle acidity that makes the filling taste more layered.

Swap mozzarella for provolone. Provolone melts similarly but has a sharper, slightly smoky flavor that pairs better with the clam filling than the more neutral mozzarella.

Use baby bella mushrooms instead of white button. They’re earthier and hold up better in the oven without releasing as much liquid. The flavor of the finished mushroom is also stronger, which works well against the seasoned filling.

Add lemon zest to the filling. Half a teaspoon stirred in before filling the caps brightens the whole dish and cuts through the richness of the cream cheese and butter. It’s a small change that makes the flavor feel lighter.

Storage

Store leftover stuffed mushrooms in an airtight container in the fridge for up to 3 days. Reheat them in a 350°F oven for 8 to 10 minutes until warmed through — the microwave works in a pinch but the filling texture suffers.

You can also prep the filling up to a day ahead and store it separately in the fridge, then fill and bake the mushrooms fresh when you’re ready.

Don’t fill the caps and leave them unbaked overnight — the mushrooms will release liquid and make the filling wet before they even hit the oven.

Can You Make Stuffed Mushrooms Without Clams?

Yes, and there are a few good substitutes depending on what you want. For a fully vegetarian version, leave out the clams and clam juice entirely and replace with finely chopped spinach that’s been cooked down and squeezed dry, or finely diced sun-dried tomatoes.

Use vegetable broth in place of clam juice to moisten the filling. For a non-vegetarian swap, finely chopped cooked shrimp or crab meat both work well and keep a similar seafood direction.

Italian sausage, cooked and crumbled, is another option if you want something heartier and don’t need to keep it seafood-based.

Why Are My Stuffed Mushrooms Watery?

Watery stuffed mushrooms almost always come down to moisture at one of two stages. The first is washing the mushrooms under running water — always wipe them clean with a damp paper towel instead.

The second is skipping the step where you cook the chopped stems before adding them to the filling. Raw mushroom stems hold a lot of water that gets released during baking, which pools in the cap and makes the filling slide out or turn soft. Cooking them down first removes that moisture before it becomes a problem.

A third contributing factor is overcrowding the baking dish — when mushrooms are too close together, steam builds up between them and they effectively steam rather than bake.

Olive Garden stuffed mushrooms are one of those appetizers that’s genuinely easy to replicate at home. The filling comes together in one pan, the baking time is short, and the result is something that holds up well next to the restaurant version. Make them once and they’ll become a regular request.