Mushroom Cheeseburger Casserole

Short Description

Mushroom Cheeseburger Casserole is a hearty, oven-baked dish that brings together the rich flavors of ground beef, savory mushrooms, and melted cheeses. This low-carb, keto-friendly comfort food delivers all the satisfaction of a cheeseburger in a warm, cheesy casserole form—perfect for weeknight dinners or make-ahead meals.

Why You’ll Love This Recipe

• Rich, savory flavor from ground beef, mushrooms, and cheese
• Low-carb and keto-friendly
• Quick and easy preparation with minimal cleanup
• Great for meal prep and leftovers
• Customizable with your favorite cheeses or seasonings
• Family-friendly and satisfying
• Gluten-free when made as directed
• One-pan dish for simplicity
• Freezer-friendly for future meals
• Comfort food without the guilt

Ingredients

(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)

• 1 pound ground beef
• 1 pound sliced mushrooms (cremini or baby bella recommended)
• 5 cloves garlic, thinly sliced
• 8 slices Swiss cheese, finely chopped (about 6 oz)
• 1 cup crumbled goat cheese
• 1/3 cup sliced scallions (green onions)
• 1 teaspoon salt

Directions

1. Preheat your oven to 375°F (190°C). Lightly grease an 8×8-inch baking dish.
2. In a large skillet over high heat, cook the ground beef with salt until browned.
3. Add sliced mushrooms and garlic to the skillet. Continue cooking until the mushrooms release their moisture and it evaporates, about 6–8 minutes.
4. Transfer the mixture to the baking dish. Stir in the goat cheese and two-thirds of the chopped Swiss cheese until combined.
5. Sprinkle the scallions on top and add the remaining Swiss cheese.
6. Bake uncovered for about 15 minutes or until the cheese is fully melted and bubbly.
7. Let it cool for 5 minutes before serving.

Servings and Timing

Servings: 4
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes

Variations

• Cheese options: Substitute Swiss with cheddar, mozzarella, or provolone.
• Protein alternatives: Use ground turkey or chicken instead of beef.
• Vegetarian version: Swap ground beef with plant-based meat alternatives.
• Add-ins: Include chopped spinach, bell peppers, or jalapeños for extra flavor.
• Spice it up: Add cayenne pepper or smoked paprika to the beef mixture.

Storage/Reheating

• Refrigerator: Store in an airtight container for up to 4 days.
• Freezer: Freeze in a sealed container for up to 2 months. Thaw overnight in the refrigerator before reheating.
• Reheating: Reheat in the oven at 350°F (175°C) for 10–15 minutes or microwave individual servings for 1–2 minutes.

FAQs

What type of mushrooms work best for this recipe?

Cremini or baby bella mushrooms offer the best texture and flavor, but white button mushrooms can also be used.

Can I use a different type of cheese?

Yes, you can replace Swiss and goat cheese with any melting cheese like cheddar, mozzarella, or Monterey Jack.

Is this casserole keto-friendly?

Yes, it is low in carbs and high in fat, making it suitable for a ketogenic diet.

Can I make this dish ahead of time?

Absolutely. You can prepare and assemble the casserole in advance, store it in the fridge, and bake it when ready to serve.

How do I prevent the casserole from becoming watery?

Make sure the mushrooms are cooked until their moisture evaporates before assembling the casserole.

Can I double the recipe?

Yes, simply double the ingredients and use a larger baking dish, such as a 9×13-inch pan.

What can I serve with this casserole?

A fresh green salad, steamed vegetables, or roasted cauliflower pairs well with this dish.

Is this dish suitable for freezing?

Yes, this casserole freezes well for up to 2 months when stored properly.

How do I reheat leftovers without drying them out?

Cover the dish with foil and reheat in the oven at 350°F, or use a microwave with a splash of water to retain moisture.

Can I make it dairy-free?

Yes, you can use plant-based cheeses to make a dairy-free version, though the flavor and texture may vary slightly.

Conclusion

Mushroom Cheeseburger Casserole is a satisfying and flavorful meal that’s both comforting and nutritious. Its rich blend of mushrooms, beef, and cheese creates a savory dish ideal for any night of the week. Whether you’re following a low-carb lifestyle or simply want a quick, hearty dinner, this casserole delivers every time.

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