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Close-up of several baked Stuffed Mushrooms (Make Ahead) piled high with creamy filling and topped with bacon bits and parsley.

Stuffed Mushrooms (Make Ahead)

These make-ahead stuffed mushrooms are perfect for parties and gatherings. They feature a creamy, savory filling and can be prepared up to 12 hours in advance.
Prep Time 20 minutes
Cook Time 25 minutes
Make Ahead 12 minutes
Total Time 57 minutes
Servings: 20 mushrooms
Course: Appetizer
Calories: 168

Ingredients
  

For the Mushrooms
  • 20 baby bell or cremini mushrooms
For the Filling
  • 2 tablespoons butter
  • 2 garlic cloves minced
  • ½ medium onion finely diced
  • ½ teaspoon kosher salt
  • ¼ teaspoon freshly ground black pepper
  • 4 ounces cream cheese softened
  • cup freshly grated parmesan cheese reserve 1 tablespoon
  • cup whole pecans roughly chopped, reserve 1 tablespoon
  • ¼ cup fresh parsley finely chopped, plus more for garnish

Equipment

  • Baking sheet
  • Skillet
  • Mixing Bowl
  • Wire rack

Method
 

  1. Preheat your oven to 400°F (200°C). Lightly grease a baking sheet with olive oil. Remove the stems from the mushrooms, chop them finely, and set them aside.
  2. Melt the butter in a medium skillet over medium heat. Add the chopped mushroom stems and cook for 5 minutes, until most of the moisture has evaporated. Add the onion, garlic, salt, and pepper. Cook for another 1 to 2 minutes, until the onion is soft. Transfer this mixture to a mixing bowl and let it cool slightly.
  3. Add the softened cream cheese, reserved parmesan cheese, chopped pecans, and chopped parsley to the mixing bowl with the mushroom mixture. Stir everything together until well combined.
  4. Fill the mushroom caps with the cheese filling. Sprinkle the tops evenly with the reserved parmesan and chopped pecans.
  5. Bake the mushrooms for 20 to 25 minutes, or until the tops are golden brown and the mushrooms are slightly tender. Garnish with extra parsley before serving.

Nutrition

Calories: 168kcalCarbohydrates: 5gProtein: 4gFat: 16gSaturated Fat: 7gCholesterol: 34mgSodium: 135mgPotassium: 307mgFiber: 1gSugar: 2gVitamin A: 574IUVitamin C: 3mgCalcium: 74mgIron: 1mg

Notes

To prevent soggy mushrooms, you can chill the filling before stuffing or place the stuffed mushrooms on a wire rack set over a baking sheet to allow juices to drain during cooking. Avoid overstuffing the mushroom caps; fill them just until they are slightly heaping to ensure even cooking and prevent spillage as the mushrooms shrink. For added flavor, consider adding chopped sun-dried tomatoes, olives, crispy bacon bits, or fresh herbs like chives, thyme, or rosemary to the filling. You can assemble these stuffed mushrooms up to 12 hours in advance. Store them in an airtight container in the refrigerator. When ready to serve, bake them directly from the fridge, noting that they may require a few extra minutes of baking time.

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