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–+ servings
Mushroom and Swiss Burger Casserole

Mushroom and Swiss Burger Casserole: Comfort Food Bliss

This Mushroom and Swiss Burger Casserole brings nostalgic comfort with creamy layers, perfect for any night.
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Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Dinner
Cuisine: American
Calories: 550
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 1 pound Ground Beef Substitute with turkey or plant-based meat for flexibility.
  • 1 medium Onion Yellow onion or shallots work beautifully.
  • 8 ounces Mushrooms Fresh crimini or button mushrooms provide umami.
  • 2 cloves Garlic Fresh garlic enhances the dish’s savory profile.
  • 1 cup Beef Broth Feel free to use chicken broth for a lighter touch.
  • 2 tablespoons Worcestershire Sauce Adds savory depth.
  • 2 tablespoons Soy Sauce Adjust for lower sodium options if desired.
  • 1 tablespoon Dijon Mustard Complements the rich flavors perfectly.
  • 2 cups Swiss Cheese Melts beautifully for a comforting layer.
  • ½ cup Sour Cream Greek yogurt can be a healthier swap.
  • 4 buns Hamburger Buns Gluten-free buns are available.
  • 2 tablespoons Olive Oil Essential for sautéing.
  • to taste Salt Essential for seasoning.
  • to taste Pepper Essential for seasoning.
For the Topping
  • to taste Fresh Parsley Optional garnish.

Equipment

  • large skillet
  • casserole dish

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C).
  2. In a large skillet, heat 2 tablespoons of olive oil over medium heat. Add 1 pound of ground beef and cook for 5-7 minutes until browned. Season with salt and pepper, then remove from heat.
  3. Add 1 chopped onion and 8 ounces of sliced mushrooms to the skillet. Sauté for 5-7 minutes, then add 2 crushed garlic cloves and cook for an additional minute.
  4. Return the browned beef to the skillet. Stir in 2 tablespoons of Worcestershire sauce, 2 tablespoons of soy sauce, 1 tablespoon of Dijon mustard, and 1 cup of beef broth. Simmer for 5 minutes and fold in ½ cup of sour cream.
  5. Cube 4 hamburger buns and place them in a greased 9x13-inch casserole dish. Pour the beef and mushroom mixture evenly over the buns.
  6. Sprinkle 2 cups of shredded Swiss cheese generously over the top.
  7. Bake the casserole for 25-30 minutes until the cheese is golden brown and bubbly.
  8. Let it sit for about 5 minutes before garnishing with fresh parsley.

Nutrition

Serving: 1servingCalories: 550kcalCarbohydrates: 35gProtein: 25gFat: 30gSaturated Fat: 12gPolyunsaturated Fat: 5gMonounsaturated Fat: 10gCholesterol: 90mgSodium: 800mgPotassium: 600mgFiber: 2gSugar: 3gVitamin A: 10IUVitamin C: 2mgCalcium: 250mgIron: 3mg

Notes

This dish pairs perfectly with a green salad or roasted vegetables for a complete meal.

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