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Cheesy Stuffed Mushrooms Recipe

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These Cheesy Stuffed Mushrooms are a savory vegetarian appetizer featuring a flavorful mix of vegetables, garlic, and melty mozzarella cheese stuffed into mushroom caps. Perfectly bite-sized and optionally marinated, they’re ideal for parties or elegant dinners.

Ingredients

For the Marinade (optional):

2 quarts water

1/2 cup white vinegar

1.5 tablespoons kosher salt

2 tablespoons sugar

1 teaspoon coriander seeds

1 teaspoon black peppercorns

1 teaspoon mustard seeds

1 bay leaf

24 large white button or baby portabella mushrooms (caps only)

For the Filling:

1 medium onion, peeled and diced

Mushroom stems, chopped

1/2 medium carrot, peeled and shredded

2 tablespoons oil

2 cloves garlic, minced

1/4 teaspoon ground black pepper

1/2 teaspoon kosher salt

2 tablespoons mayonnaise

1/2 cup mozzarella cheese, shredded

3 tablespoons chopped parsley

Optional Topping:

1 cup panko crumbs

23 tablespoons melted butter

Instructions

  1. Wipe mushrooms clean. Separate caps and stems; use stems for filling.
  2. Optional Marinating: Boil water, vinegar, salt, sugar, and spices. Simmer mushroom caps 2–3 minutes. Let cool, then drain.
  3. Heat oil in a skillet. Sauté onions until golden, add mushroom stems, cook until moisture evaporates. Add carrots and cook until soft. Stir in garlic, salt, and pepper. Let cool.
  4. Mix cooled vegetables with mayonnaise, cheese, and parsley. Adjust seasoning.
  5. Preheat oven to 400°F (200°C). Line a baking sheet with foil.
  6. Stuff each cap with filling. Top with extra cheese or panko mixed with butter for a crispy finish.
  7. Place mushrooms on the sheet, spaced apart. Bake 10–15 minutes until cheese melts and centers are hot.
  8. Cool for 5–7 minutes before serving. Enjoy warm or at room temperature.

Notes

 

Try cheddar, gouda, or feta for cheese variation.

Include spinach or sun-dried tomatoes for extra depth.

Use vegan mayo and cheese for a plant-based version.

Marinate for flavor, or skip for quick prep.

Best reheated in oven to maintain texture.

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