Hearty Baked Cheesy Mushroom Casserole Recipe for Cozy Nights

My mom’s cherished baked cheesy mushroom casserole always brings comfort during chilly evenings.

Memories flood back when I smell the rich, earthy aroma wafting through our kitchen.

Hearty ingredients combine perfectly to create a dish that feels like a warm embrace.

Creamy textures and robust mushroom flavors mingle with melted cheese, promising pure satisfaction.

Weeknight dinners become extraordinary with this simple yet spectacular recipe.

Comfort meets culinary creativity in every delectable, bubbling bite.

Prepare to experience a meal that will quickly become your new favorite.

Cheesy Mushroom Casserole Ingredient List

• Mushrooms: Sliced fresh mushrooms with a rich, earthy flavor.
• Cheddar Cheese: Sharp and melty cheese for classic comfort.
• Parmesan Cheese: Aged cheese with a nutty and salty profile.

• Garlic Powder: Adds a warm, aromatic flavor.
• Thyme: Herbaceous and slightly minty herb.
• Salt, Pepper: Essential seasonings for depth and balance.

• Heavy Cream: Rich and luxurious dairy base.
• Olive Oil: Smooth, light cooking oil.
• Butter: Melted for added richness.
• Breadcrumbs: Crispy topping for texture contrast.
• Parsley: Fresh herb for garnish and brightness.

How to Bake Cheesy Mushroom Casserole

Step 1: Prepare Baking Station

Warm up your oven to 375°F and grab a 9×13 inch baking dish.

Give the dish a light coating of cooking spray or butter to prevent sticking.

Step 2: Season Mushroom Mixture

• Olive oil
• Garlic powder
• Thyme
• Salt
• Black pepper

Make sure every mushroom slice gets a delicious coating of seasonings.

Step 3: Create First Layer

Spread the seasoned mushrooms evenly across the greased baking dish, creating a delectable base for your casserole.

Step 4: Add Cheese Goodness

• Shredded cheddar cheese
• Grated Parmesan cheese

Ensure the entire surface gets a generous cheese blanket.

Step 5: Pour Creamy Liquid

Drizzle heavy cream across the entire dish, allowing it to seep between the mushrooms and cheese.

Step 6: Prepare Crispy Topping

In a separate bowl, mix melted butter with breadcrumbs until they form a crumbly mixture.

This will create a crunchy golden layer.

Step 7: Bake to Perfection

Slide the casserole into the preheated oven.

Bake for 25-30 minutes until the top turns golden brown and the sauce starts bubbling with excitement.

Step 8: Optional Crispy Finish

For extra crunch, switch your oven to broil and let the top crisp up for 2-3 minutes.

Watch carefully to prevent burning.

Step 9: Rest and Garnish

Allow the casserole to rest for a few minutes.

Sprinkle chopped fresh parsley on top for a pop of color and fresh flavor.

Step 10: Serve and Enjoy

Scoop out generous portions and serve hot.

Watch your guests dive into this cheesy, mushroom-packed delight.

Smart Tips for Mushroom Casserole

• Select firm, unblemished mushrooms with no signs of bruising or discoloration for the best flavor and texture.
• Pat mushrooms dry with paper towels before seasoning to remove excess moisture and ensure a creamy, not runny, final dish.
• Experiment with different cheese combinations like gruyère, monterey jack, or fontina to add unique depth and richness to the casserole.
• Add cooked quinoa or lentils to the mushroom layer for extra protein and a more substantial vegetarian meal.
• Replace breadcrumbs with crushed gluten-free crackers or almond flour to make the recipe suitable for those with gluten sensitivities.

Store & Reheat Cheesy Mushroom Casserole

• Store leftover casserole in an airtight container within 2 hours of cooking. Seal tightly and keep in the refrigerator for up to 3-4 days.
• Preheat oven to 350°F. Cover casserole with aluminum foil to prevent drying out. Warm for 15-20 minutes until heated through, removing foil during the last 5 minutes to restore crispiness.
• Place individual portions on a microwave-safe plate. Heat in 30-second intervals, stirring between each interval to distribute heat evenly. Stop when the internal temperature reaches 165°F.
• Wrap the cooled casserole tightly in plastic wrap and aluminum foil. Freeze for up to 2 months. Thaw overnight in the refrigerator before reheating to maintain texture and flavor.

What Pairs With Mushroom Casserole

• Pair with Robust Red Wine: Select a medium-bodied Pinot Noir or Merlot that complements the earthy mushroom flavors and cuts through the rich, creamy cheese.
• Serve with Crisp Green Salad: Create a light arugula salad with lemon vinaigrette to balance the casserole's heaviness and provide a fresh, tangy contrast.
• Match with Crusty Artisan Bread: Choose a rustic sourdough or French baguette to soak up the delicious creamy sauce and add textural variety to your meal.
• Enhance with Roasted Vegetables: Prepare simple roasted asparagus or Brussels sprouts to add nutritional balance and a subtle charred flavor beside the cheesy mushroom dish.

New Styles of Mushroom Casserole

• Vegan Mushroom Gratin: Replace heavy cream with coconut milk, swap cheese with nutritional yeast and vegan cheese alternatives, use gluten-free breadcrumbs for extra dietary flexibility.
• Low-Carb Mushroom Bake: Substitute breadcrumbs with crushed pork rinds or almond flour, reduce cream quantity, use full-fat cream cheese instead of traditional cream.
• Herb-Infused Mushroom Casserole: Incorporate fresh rosemary and sage alongside thyme, add crispy pancetta bits for depth, use a blend of wild mushroom varieties for complex flavor profile.
• Dairy-Free Mushroom Casserole: Use cashew cream instead of heavy cream, replace cheese with dairy-free cheese substitutes, maintain original seasoning and cooking method for similar texture and taste.

FAQs

• Are mushrooms healthy for me?

Mushrooms are packed with nutrients like selenium, potassium, and B vitamins. They’re low in calories and high in antioxidants, supporting immune health and potentially reducing inflammation.

• Can I use different types of mushrooms?

Absolutely! While this recipe works great with button or cremini mushrooms, you can experiment with shiitake, portobello, or a mix of wild mushrooms for varied flavor and texture.

• Is this recipe suitable for vegetarians?

Yes, this baked mushroom casserole is vegetarian-friendly. However, if you want a vegan version, you’ll need to substitute dairy ingredients with plant-based alternatives like coconut cream and vegan cheese.

• How do I know when the casserole is perfectly cooked?

Look for a golden-brown crispy breadcrumb topping and bubbling edges. The mushrooms should be tender, and the cheese melted and slightly browned. Baking for 25-30 minutes typically achieves this perfect result.

Why You’ll Love Cheesy Mushroom Casserole

• Crowd-Pleasing Comfort: Packed with rich, creamy flavors and a crispy breadcrumb topping, this dish guarantees smiles around the dinner table for both kids and adults.
• Quick Weeknight Dish: Prepare this delectable casserole in under an hour, offering a gourmet-style meal without spending hours in the kitchen or requiring complex techniques.
• Versatile Dining Delight: Ideal for family dinners, potlucks, or as a satisfying side dish that complements various main courses, elevating any meal with its irresistible cheesy goodness.

Baked Cheesy Mushroom Casserole Recipe

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4.5 from 32 reviews

• Total Time: 45 minutes
• Yield: 4 1x

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Description

Creamy baked cheesy mushroom casserole delivers comfort with earthy mushroom depth and rich, melted cheese. Wild forest flavors blend seamlessly, promising warm satisfaction for hearty appetites seeking delicious home-style cooking.

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Ingredients

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Main Ingredients:

• 1 lb (454 g) button mushrooms, sliced
• 1 cup shredded cheddar cheese
• 1/2 cup grated Parmesan cheese
• 1 cup heavy cream

Seasoning and Flavoring:

• 1 tablespoon olive oil
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

Topping and Additional Ingredients:

• 2 tablespoons unsalted butter, melted
• 1/2 cup breadcrumbs (optional)
• Fresh parsley, chopped (for garnish)

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Instructions

1. Gently massage sliced mushrooms with aromatic olive oil, garlic powder, thyme, salt, and pepper, ensuring each piece is thoroughly seasoned.
2. Transfer the herbaceous mushroom mixture into a well-greased 9×13 inch baking dish, creating an even, inviting layer.
3. Lavishly scatter shredded cheddar and grated Parmesan across the mushroom landscape, creating a rich, melty foundation.
4. Cascade heavy cream uniformly over the cheese-topped mushrooms, allowing the liquid to settle into every crevice.
5. Create a crispy breadcrumb topping by thoroughly combining melted butter with breadcrumbs until they form a cohesive, golden mixture.
6. Delicately sprinkle the buttery breadcrumb mixture over the casserole, ensuring complete and even coverage.
7. Position the dish in a preheated 375°F (190°C) oven, allowing the casserole to transform for 25-30 minutes until the top turns a tempting golden brown and the sauce begins to bubble enthusiastically.
8. For an extra-crispy finish, activate the broiler and let the casserole dance under high heat for 2-3 minutes, watching carefully to prevent burning.
9. Remove from the oven and let the casserole rest briefly, allowing flavors to meld and settle.
10. Garnish with freshly chopped parsley, adding a burst of color and fresh herbaceous notes before serving.

Notes

• Select mushrooms that are fresh, firm, and free from bruises to ensure the best flavor and texture in your casserole.
• Keep the mushroom slices uniform in thickness to guarantee even cooking and consistent taste throughout the dish.
• Toast breadcrumbs lightly before adding to the casserole for an extra nutty, crispy layer that enhances the overall flavor profile.
• For a lighter version, swap heavy cream with half-and-half or whole milk to reduce calories while maintaining a creamy consistency.

• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Category: Dinner, Appetizer
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 4
• Calories: 370
• Sugar: 2 g
• Sodium: 600 mg
• Fat: 30 g
• Saturated Fat: 17 g
• Unsaturated Fat: 10 g
• Trans Fat: 1 g
• Carbohydrates: 12 g
• Fiber: 0.5 g
• Protein: 14 g
• Cholesterol: 90 mg