Pizza Stuffed Mushrooms

These Pizza Stuffed Mushrooms pack the savory goodness of a pepperoni pizza into a single bite that everyone will love!

Close-up view of freshly baked stuffed mushrooms with a crispy topping.

These Pizza Stuffed Mushrooms are a delicious low-carb twist on a classic favorite, combining all the bold flavors of pizza in a bite-sized, savory package. These large mushroom caps are filled with pepperoni, ritz crackers, and parmesan cheese. Everyone will keep coming back for more!

If you are looking for more yummy appetizers you have to check out my Corn Fritters, Antipasto Platter, and Bruschetta!

Recipe Ingredients

Onions and mushroom stems sautéing in a skillet.
  • Pepperoni: Spicy and rich, finely chopped pepperoni adds a bold, zesty flavor and chewy texture.
  • Parmesan Cheese: Delivers a creamy texture.
  • Ritz Crackers: Crushed Ritz crackers add a pleasant crunch to these mushrooms.

See the recipe card for full information on ingredients and quantities.

Variations

  • Topping Options: A sprinkle of shredded mozzarella cheese or cheddar cheese can create a gooey, melty finish. Crumbled bacon or prosciutto adds a savory, crispy touch. A drizzle of balsamic glaze or a dash of hot sauce can enhance the overall flavor of these stuffed mushrooms.
  • Ritz Cracker Alternative: If you’re not gluten-free, panko breadcrumbs are a traditional filler instead of the Ritz crackers. They provide a light, airy texture and a subtle crunch.

How to Make Pizza Stuffed Mushrooms

Step 1: Preheat the oven to 375°F (190°C) and spray a baking sheet with cooking spray.

Step 2: Clean the mushrooms and remove the stems. Chop the stems finely and place the mushroom caps on the prepared baking sheet.

Step 3: Melt the butter in a medium skillet over medium heat. Add the mushroom stems, onion, and garlic, and cook until softened and fragrant. Remove from heat and stir in the crushed crackers, pepperoni, parmesan cheese, and parsley.

A skillet filled with a cooked mixture of pepperoni, onions, garlic, and crackers.

Step 4: Spoon the filling into the mushroom caps, pressing it down gently with your fingers to pack the mushroom caps full. Bake for 15-20 minutes, or until the mushrooms are tender and the filling is lightly browned.

Mushroom caps stuffed with a savory filling on a baking sheet.

Expert Tips

  • Cleaning Mushrooms: When cleaning mushrooms, don’t let them soak in water. Instead, either rinse them and pat them dry immediately or use a damp paper towel to wipe off the tops.
  • Don’t Overfill: While it’s tempting to pile on the stuffing, make sure it’s packed just enough to fit snugly in the mushroom cap. Overfilling can cause the stuffing to spill out during baking.
A plate of golden-brown stuffed mushrooms with Ritz cracker.

FAQs

Can I use different types of mushrooms for this Stuffed Mushrooms recipe?

Yes, cremini mushrooms (aka baby bella mushrooms or mini portobello mushrooms) are ideal for this recipe. In a pinch, white button mushrooms would work too.

Can I substitute the pepperoni in this recipe?

Yes, the pepperoni can be swapped for crabmeat, ground chicken, beef, or turkey. You can also leave it out altogether for a delicious vegetarian option.

Storage Info

STORE leftover Stuffed Mushrooms in an airtight container in the refrigerator for up to 3 days. To FREEZE, arrange them in a single layer on a baking sheet, put them in the fridge until solid, then transfer to a freezer-safe container for up to 2 months.

To REHEAT, bake in a preheated oven at 350°F (175°C) for 10-15 minutes until heated through.

Did you try this recipe? Leave a ⭐️ rating below and share it on Instagram, Facebook and Pinterest!

A plate of stuffed mushrooms with Ritz cracker.

Pizza Stuffed Mushrooms Recipe

These Pizza Stuffed Mushrooms pack the savory goodness of a pepperoni pizza into a single bite that everyone will love!
4.75 from 4 votes
Pin Rate
Course: Appetizer
Cuisine: American
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 12
Calories: 91kcal
Author: Andrea
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Ingredients

  • 2 pounds button mushrooms
  • 2 tablespoons butter
  • 1 small onion - chopped
  • 1 teaspoon minced garlic
  • 8 Ritz crackers - crushed
  • 3 ounces pepperoni - finely chopped
  • 1/4 cup parmesan cheese
  • 1 tablespoon fresh parsley
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Instructions

  • Preheat the oven to 375°F (190°C) and spray a baking sheet with cooking spray.
  • Clean the mushrooms and remove the stems. Chop the stems finely and place the mushroom caps on the prepared baking sheet.
  • Melt the butter in a medium skillet over medium heat. Add the mushroom stems, onion, and garlic, and cook until softened and fragrant. Remove from heat and stir in the crushed crackers, pepperoni, parmesan cheese, and parsley.
  • Spoon the filling into the mushroom caps, pressing it down gently with your fingers to pack the mushroom caps full. Bake for 15-20 minutes, or until the mushrooms are tender and the filling is lightly browned.

NOTES

STORE leftover Stuffed Mushrooms in an airtight container in the refrigerator for up to 3 days. To FREEZE, arrange them in a single layer on a baking sheet, put them in the fridge until solid, then transfer to a freezer-safe container for up to 2 months.
To REHEAT, bake in a preheated oven at 350°F (175°C) for 10-15 minutes until heated through.

Nutrition

Serving: 12serving | Calories: 91kcal | Carbohydrates: 5g | Protein: 5g | Fat: 6g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 13mg | Sodium: 182mg | Potassium: 281mg | Fiber: 1g | Sugar: 2g | Vitamin A: 103IU | Vitamin C: 3mg | Calcium: 35mg | Iron: 1mg

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About the Author

Andrea

Hi I'm Andrea!

Hotelier turned Food Blogger to help make your life simple, one recipe at a time.

4.75 from 4 votes (3 ratings without comment)

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