Elevate your dinner table with this Stuffed Mushroom Casserole, a creamy, cheesy, and savory dish that combines the earthy flavor of mushrooms with a golden, crispy topping. Perfect for family dinners, holiday gatherings, or casual weeknight meals, this casserole is both easy to prepare and packed with flavor.

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Whether you’re craving comfort food or a gourmet-inspired side dish, this recipe delivers a rich, satisfying experience for every bite.

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Ingredients

2 tablespoons extra virgin olive oil
1.5 pounds white mushrooms, quartered
Salt and freshly ground black pepper, to taste
4 cloves garlic, minced
6 ounces cream cheese, softened
½ cup grated mozzarella cheese
¾ cup bread crumbs
½ cup grated Parmesan cheese
3 tablespoons fresh parsley, chopped
1 ½ tablespoons unsalted butter, melted

Instructions

Preheat the Oven: Set your oven to 350°F (175°C) and grease an 8×8 baking dish.
Sauté the Mushrooms: Heat olive oil in a large skillet over medium heat. Add quartered mushrooms, season with salt and pepper, and sauté until the water evaporates, about 7–9 minutes.
Add Garlic: Stir in minced garlic and cook until fragrant, about 1 minute.
Prepare the Filling: Remove skillet from heat and blend in cream cheese until mushrooms are well-coated. Mix in mozzarella, half of the breadcrumbs, and half of the Parmesan cheese.
Transfer to Baking Dish: Spoon the creamy mushroom mixture evenly into the greased dish.
Prepare the Topping: Combine remaining breadcrumbs, Parmesan, parsley, and melted butter. Sprinkle evenly over the casserole.
Bake: Bake for 25–30 minutes, or until the topping is golden brown and crispy.
Serve: Let the casserole cool slightly before serving hot. Enjoy the creamy, cheesy goodness with every bite!

Pro Tips

Choose Fresh Mushrooms: Firm, white mushrooms work best for a meaty texture.
Avoid Overcrowding: Sauté mushrooms in batches if needed to prevent steaming.
Mix Cheeses Well: Ensure cream cheese is softened for smooth incorporation.
Golden Topping: Broil for 1–2 minutes at the end for extra crunch if desired.

Why This Recipe Works

Combines creamy filling with a crunchy, golden topping
Easy to prepare in under an hour
Versatile enough for weeknight dinners or festive occasions
Brings stuffed mushroom flavor into a convenient casserole

Substitutions & Variations

Cheese Options: Swap mozzarella with cheddar or gouda for a different flavor profile.
Gluten-Free: Use gluten-free breadcrumbs to make this casserole suitable for gluten-free diets.
Add Protein: Incorporate cooked sausage, bacon, or shredded chicken for a hearty version.
Herbs: Mix in thyme or rosemary for an aromatic twist.

Make-Ahead, Storage & Reheating Guide

Make-Ahead: Prepare the casserole up to the baking step and refrigerate for up to 24 hours.
Storage: Store leftovers in an airtight container in the fridge for 3–4 days.
Reheating: Warm in the oven at 350°F (175°C) for 10–15 minutes or until heated through.

Serving Ideas

Serve as a side dish alongside roasted meats or grilled chicken.
Pair with fresh salad or garlic bread for a complete meal.
Perfect as a potluck contribution or holiday side dish.

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Nutrition (Per Serving Estimate)

Calories: 210 kcal
Protein: 7g
Carbohydrates: 12g
Fat: 16g
Fiber: 2g
Sugar: 2g

Frequently Asked Questions

Q: Can I use baby bella mushrooms instead of white mushrooms?
A: Yes, baby bella mushrooms work perfectly and add a deeper flavor.

Q: Can this casserole be frozen?
A: Absolutely! Freeze before baking and bake directly from frozen with a slightly longer cooking time.

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Q: Can I make it vegan?
A: Replace cheeses with vegan alternatives and use olive oil instead of butter.

This Stuffed Mushroom Casserole is a must-try dish that blends creamy, cheesy flavors with tender mushrooms and a crispy topping. Quick to make, visually appealing, and irresistibly delicious, it’s a recipe that will impress family and friends alike.