Theresa's Famous Stuffed Mushrooms Recipe

These stuffed mushrooms are a holiday classic! A treasured recipe discovered in a vintage cookbook, they're surprisingly easy to make and deliver incredible flavor. Get ready to impress your guests with this simple yet elegant appetizer.

Prep Time 20 mins
Cook Time 45 mins
Calories 393.7 kcal
Protein 29g
Rating Be the first
Theresa's Famous Stuffed Mushrooms 43

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Theresa's Famous Stuffed Mushrooms

  • 1 pound large mushrooms (about 20-24)
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  • 1/4 cup grated Parmesan cheese (plus more for sprinkling)
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  • 3 tablespoons olive oil (1 tbsp for sautéing stems, 2 tbsp for drizzling)
  • 1/2 cup finely chopped onion
  • 1/2 cup cooked crumbled sausage (Italian or your preference)
  • 1/4 cup chopped fresh parsley (plus more for garnish)
  • 1 clove minced garlic
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper

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How to Make Theresa's Famous Stuffed Mushrooms

  1. Preheat oven to 375°F (190°C).
  2. Clean and remove stems from 1 pound large mushrooms (about 20-24). Finely chop the mushroom stems.
  3. In a large skillet, sauté the chopped mushroom stems with 1 tablespoon olive oil over medium heat until softened, about 5 minutes. Add 1/2 cup finely chopped onion and cook until translucent, about 3 minutes.
  4. Stir in 1/2 cup cooked crumbled sausage (Italian or your preference), 1/4 cup grated Parmesan cheese, 1/4 cup chopped fresh parsley, 1 clove minced garlic, 1/4 teaspoon salt, and 1/4 teaspoon black pepper.
  5. Spoon the mixture into the mushroom caps, filling them generously.
  6. Place the stuffed mushrooms in a baking dish. Drizzle with 2 tablespoons olive oil and sprinkle with additional Parmesan cheese.
  7. Bake for 20-25 minutes, or until the mushrooms are tender and the filling is heated through and slightly browned.
  8. Garnish with extra parsley before serving. Enjoy!

Nutrition Information (Approximate per serving)

Sodium

24 g

Sugar

20g

Fat

86g

Carbs

4g

Frequently Asked Questions

How long does it take to make Theresa's Famous Stuffed Mushrooms?

Theresa's Famous Stuffed Mushrooms takes about 65 minutes from start to finish — roughly 20 minutes to prepare and 45 minutes to cook.

How many calories are in Theresa's Famous Stuffed Mushrooms?

Theresa's Famous Stuffed Mushrooms has approximately 393.7 calories per serving, with about 29 g protein, 4 g carbohydrates and 49 g fat.

What ingredients do I need for Theresa's Famous Stuffed Mushrooms?

The key ingredients for Theresa's Famous Stuffed Mushrooms are Whole Mushroom, Bacon, Thyme, Cheese, Green Pepper, Green Onion. See the full list with measurements above.

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