Make savory stuffed mushrooms with Parmesan, shallot, garlic, thyme, and white wine for an elegant gluten-free appetizer.
These Savory Stuffed Mushrooms are an elegant gluten-free appetizer filled with rich, earthy flavor. Tender roasted mushroom caps hold a delicious mixture of finely chopped mushroom stems, shallot, garlic, Parmesan cheese, fresh thyme, lemon juice, and dry white wine. Each bite is warm, cheesy, and satisfying without feeling too heavy.
Roasting the mushroom caps before filling them is the key to their appealing texture. This extra step gives the mushrooms time to release their natural moisture and become tender and lightly browned. Meanwhile, cooking the chopped stems with the aromatics concentrates their flavor and creates a savory filling that fits neatly inside each cap.
Serve these baked stuffed mushrooms for holidays, dinner parties, game days, or family gatherings. The classic Parmesan and thyme filling is simple and versatile, while the bacon and blue cheese, cheddar and fennel, chorizo and Manchego, and olive and goat cheese variations make it easy to tailor the appetizer to the occasion. Prepare the filling ahead when entertaining, then fill and finish baking the mushrooms shortly before serving.
Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Yield: 21 stuffed mushrooms
Ingredients
21 large white mushrooms, stems removed and reserved
1/4 cup extra-virgin olive oil, divided
Salt, to taste
Black pepper, to taste
1 small shallot, minced
2 garlic cloves, minced
1/4 cup dry white wine
1/2 cup grated Parmesan cheese
1 teaspoon minced fresh thyme
1 teaspoon fresh lemon juice
Directions
Step 1: Prepare the oven and mushrooms
Preheat the oven to 425°F. Position an oven rack in the center and line a rimmed baking sheet with parchment paper. Place the mushroom caps in a large bowl and toss them with 2 tablespoons of the olive oil until evenly coated. Season lightly with salt and black pepper, then arrange the caps gill side up on the prepared baking sheet.
Step 2: Roast the mushroom caps
Roast the mushroom caps for 20 minutes, or until they begin releasing their natural juices. Carefully flip each mushroom over and continue roasting for 10 minutes, until tender and lightly browned. Remove the mushrooms from the oven and set them aside while preparing the filling. If the caps contain excess liquid, let them drain briefly before turning them gill side up again.
Step 3: Chop the filling ingredients
Place the reserved mushroom stems, shallot, garlic, and a pinch of black pepper in a food processor. Pulse 10 to 14 times, or until the mixture is finely chopped but not pureed. A little texture helps the cooked filling remain substantial and prevents it from becoming pasty.
Step 4: Cook the mushroom filling
Heat the remaining olive oil in a medium nonstick skillet over medium heat. Add the chopped mushroom mixture and cook for about 5 minutes, stirring frequently, until its moisture has evaporated and the mixture is lightly browned. Pour in the white wine and cook for about 1 minute, allowing most of the liquid to evaporate.
Step 5: Finish the filling
Remove the skillet from the heat and let the mixture cool for approximately 5 minutes. Stir in the grated Parmesan cheese, fresh thyme, and lemon juice until thoroughly combined. Taste carefully and adjust the salt and black pepper if needed, remembering that Parmesan contributes its own saltiness.
Step 6: Fill the mushrooms
Turn the roasted mushroom caps so the gill sides face upward. Season the interiors lightly with salt and black pepper. Divide the filling evenly among all 21 caps, gently pressing it into place without packing it too firmly.
Step 7: Bake and serve
Return the stuffed mushrooms to the oven and bake for 5 to 7 minutes, or until the filling is heated through and the cheese has melted slightly. Arrange the mushrooms on a serving platter and serve warm.
Notes
Choose large white mushrooms that are similar in size so they roast evenly and finish baking at approximately the same time.
Mushrooms naturally contain a great deal of moisture. The initial roasting period helps remove some of that liquid before the filling is added. If necessary, drain the caps briefly so the finished appetizer does not become watery.
Freshly grated Parmesan melts more smoothly and gives the filling the best flavor. Finely grated cheese also blends more evenly with the chopped mushroom mixture.
The filling can be prepared one day in advance. Cool it completely, cover it, and refrigerate it until ready to assemble. Fill the roasted caps and complete the final baking shortly before serving.
For Bacon and Blue Cheese Stuffed Mushrooms, replace the olive oil used in the skillet with 2 finely chopped slices of bacon. Cook the bacon until crisp before adding the mushroom mixture. Replace the Parmesan with 1/4 cup crumbled blue cheese, replace the thyme with 2 tablespoons chopped fresh chives, and use cider vinegar instead of lemon juice.
For Cheddar, Fennel, and Sage Stuffed Mushrooms, replace the Parmesan with 1/4 cup shredded sharp cheddar cheese. Substitute 1/2 teaspoon fennel seeds and 1/2 teaspoon dried sage for the thyme, and use malt vinegar instead of lemon juice. Stir 1/4 teaspoon crushed red pepper flakes into the cooked filling before filling the caps. Check the malt vinegar for appropriate gluten-free labeling when serving guests who avoid gluten.
For Chorizo and Manchego Stuffed Mushrooms, cook 1 1/2 ounces Spanish-style chorizo, cut into 1/4-inch pieces, until lightly browned, about 2 minutes, before adding the mushroom mixture to the skillet. Replace the Parmesan with 1/4 cup shredded Manchego, replace the thyme with 2 tablespoons chopped fresh parsley, and use sherry vinegar instead of lemon juice. Stir 1/2 teaspoon paprika into the finished filling.
For Olive and Goat Cheese Stuffed Mushrooms, replace the Parmesan with 1/4 cup crumbled goat cheese. Substitute 1 teaspoon chopped fresh oregano for the thyme and use red wine vinegar instead of lemon juice. Stir 3 tablespoons chopped pitted Kalamata olives into the cooked filling before filling the mushroom caps.
The base recipe is naturally gluten-free. When cooking for someone with celiac disease or gluten sensitivity, verify that all packaged ingredients, including cheese, wine, spices, cured meats, vinegar, and olives, have appropriate gluten-free labeling, and prevent cross-contact during preparation.
Refrigerate leftover stuffed mushrooms in an airtight container for up to 3 days. Reheat them in a 350°F oven until warmed through. Oven reheating helps preserve their texture better than microwaving.
Must be 21 years of age or older to purchase or consume alcoholic beverages. Please drink responsibly.
