Garlic panko stuffed mushrooms are a simple meatless appetizer made from button mushroom caps packed with a toasted garlic and herb breadcrumb filling. Every bite is tender on the outside and crunchy on top.
The caps bake for just 10 minutes, so the mushrooms stay soft but keep their shape, and the whole dish comes together in about 30 minutes. It is an easy way to turn a small pack of mushrooms into a gathering ready platter, and it needs nothing fancy from the pantry.
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Why This Garlic Panko Stuffed Mushrooms Recipe Works
The filling is built on the stalks, which would otherwise be thrown away. Sauteing the chopped stalks with garlic until softened gives the crumbs a savory, mushroomy base, and toasting the panko in the same pan turns it light golden and crunchy.
Coating the caps in olive oil before they go in the oven keeps them from drying out, and a final drizzle on top helps the crumbs brown. Ten minutes is just enough time for the mushrooms to soften without losing their shape or turning soggy.
Fresh parsley and thyme brighten the filling, and the whole thing is flexible enough to prepare ahead and bake right before guests arrive.
Ingredients for Garlic Panko Stuffed Mushrooms
- 10 oz button mushrooms
- 3 tbsp olive oil, divided
- 1/2 cup panko breadcrumbs
- 3 large garlic cloves, minced
- 1 tbsp finely chopped fresh parsley
- 1/2 tbsp fresh thyme leaves, chopped (or 1/4 tsp dried thyme)
- 2 pinches kosher salt
- 1/4 tsp black pepper
Button mushrooms. Pick caps of a similar size with smooth, closed tops and wide cavities once the stalks are out. Uniform caps bake evenly and make the filling easy to spoon in.
Panko breadcrumbs. Panko stays lighter and crunchier than regular crumbs once toasted in the pan. Regular dry breadcrumbs work in a pinch, but use slightly less.
Garlic. Three large cloves give a bold flavor. Cook the garlic only until fragrant so it does not turn bitter.
Parsley and thyme. Fresh herbs add freshness and a gentle earthy note. Swap in dried thyme at about a quarter of the amount if needed.
Olive oil. Oil is used three ways: to coat the caps, to saute the filling, and to drizzle over the top for browning. Extra virgin olive oil adds the most flavor.
How to Make Garlic Panko Stuffed Mushrooms
1. Heat the oven. Preheat the oven to 350 degrees F.
2. Prep the mushrooms. Break the stalks off each mushroom, keeping the caps whole, then finely chop the stalks.
3. Coat the caps. Place the caps in a baking dish, drizzle with 1 tablespoon of olive oil, and toss to coat. Arrange them cup side up.
4. Cook the filling. Heat 1 tablespoon of oil in a skillet over medium high heat. Saute the chopped stalks and garlic for about 2 minutes until softened, then add the panko and toast for 1 to 2 minutes until light golden.
5. Season and fill. Take the pan off the heat and stir in the salt, pepper, parsley, and thyme. Spoon the mixture into each cap, then drizzle the last tablespoon of oil over the top.
6. Bake. Bake for about 10 minutes, until the mushrooms are softened but still hold their shape. Serve warm or at room temperature.
How to Serve Garlic Panko Stuffed Mushrooms
Arrange the caps on a platter and serve them warm or at room temperature. For a light dinner, set them beside air fryer honey garlic salmon and a plate of air fryer asparagus. They also make a fun side for Dutch oven pot roast or sheet pan sausage and potatoes when you want a vegetable on the table that feels special.
How to Store and Reheat Garlic Panko Stuffed Mushrooms
Cool the stuffed mushrooms, then keep them in an airtight container in the refrigerator for up to 3 days. Reheat in a hot oven at 350 degrees F for about 8 minutes until hot in the center. You can also assemble the caps ahead, cover them, and refrigerate until it is time to bake. Freezing makes mushrooms watery, so it is ideal to skip it.
Tips and Variations for Garlic Panko Stuffed Mushrooms
Keep caps whole. Twist the stalks out gently so the caps do not tear.
Chop the stalks small. Fine pieces cook quickly and mix evenly into the crumbs.
Toast the panko. Stir constantly until light golden, since breadcrumbs can burn in seconds.
Add cheese. A spoonful of grated Parmesan or mozzarella makes the filling richer and creamier.
Use fresh herbs. Fresh parsley and thyme give a brighter flavor than dried.
Do not overbake. Pull the tray once the mushrooms are soft but still firm, since they turn soggy fast.
Prep ahead. Fill the caps ahead of time and bake them just before serving.
Chill leftovers promptly. Refrigerate within 2 hours. Texas A&M AgriLife Extension shares general tips for keeping food safe at home.
Frequently Asked Questions About Garlic Panko Stuffed Mushrooms
What are garlic panko stuffed mushrooms?
They are button mushroom caps filled with sauteed mushroom stalks, garlic, herbs, and toasted panko, then baked until tender.
Can you make garlic panko stuffed mushrooms ahead of time?
Yes. Fill the caps earlier in the day, cover, and refrigerate, then bake right before serving. Add a minute or two if they go into the oven cold.
How do you keep garlic panko stuffed mushrooms from getting soggy?
Bake only about 10 minutes, keep the caps cup side up, and wipe the mushrooms with a damp paper towel instead of soaking them in water.
Can I use another type of mushroom?
Cremini mushrooms work well in the same way. Larger portobello caps need a longer bake time.
Is this dish meatless?
Yes. Everything in the recipe is plant based except any cheese you choose to add.
Garlic Panko Stuffed Mushrooms
Equipment
- Baking dish
- Skillet
- Spoon
Ingredients
Main Ingredients
- 10 oz button mushrooms stalks removed and finely chopped
- 3 tbsp olive oil divided
- ½ cup panko breadcrumbs
- 3 cloves garlic large, minced
- 1 tbsp chopped fresh parsley
- ½ tbsp fresh thyme leaves chopped, or 1/4 tsp dried thyme
- 2 pinch kosher salt
- ¼ tsp black pepper
Instructions
Cooking
- Preheat. Heat the oven to 350 degrees F. Separate stalks. Gently pull the stalks from the mushrooms, leaving the caps whole, and chop the stalks finely.
- Coat the caps. Toss the caps in a baking dish with 1 tablespoon of oil and set them cup side up. Saute the base. Warm 1 tablespoon of oil in a skillet over medium high heat and cook the stalks with the garlic for 1 1/2 to 2 minutes, until softened.
- Toast the crumbs. Stir in the panko and cook for 1 to 2 minutes, until light golden.
- Add seasonings. Remove from the heat and mix in the salt, pepper, parsley, and thyme.
- Stuff and drizzle. Spoon the filling into the caps and drizzle with the last tablespoon of oil.
- Bake. Bake for about 10 minutes, until the caps are soft but still hold their shape. Serve warm or at room temperature.
