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–+ servings
Mushroom and Swiss Burger Casserole

Mushroom and Swiss Burger Casserole

A comforting Mushroom and Swiss Burger Casserole that's perfect for busy weeknights or gatherings, featuring ground beef, mushrooms, and creamy Swiss cheese.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Dinner
Cuisine: American
Calories: 450
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 1 lb Ground Beef can be swapped for ground turkey, chicken, or plant-based meat
  • 1 medium Onion yellow onion or shallots can be used as substitutes
  • 8 oz Mushrooms fresh crimini or button mushrooms preferred
  • 2 cloves Garlic fresh garlic yields the best results
  • 1 cup Beef Broth can substitute with chicken broth for lighter taste
  • 2 tbsp Worcestershire Sauce
  • 2 tbsp Soy Sauce adjust for lower sodium versions
  • 1 tbsp Dijon Mustard
  • 2 cups Swiss Cheese or alternatives like cheddar or mozzarella
  • 1 cup Sour Cream Greek yogurt can be substituted
  • 4 slices Hamburger Buns gluten-free buns can be used
For Cooking
  • 1 tbsp Olive Oil
  • Salt to taste
  • Pepper to taste
For Garnish
  • 2 tbsp Fresh Parsley optional

Equipment

  • large skillet
  • Casserole dish
  • Oven

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C).
  2. In a large skillet, heat olive oil over medium heat. Add ground beef and cook for 5-7 minutes, season with salt and pepper.
  3. Stir in diced onions and sliced mushrooms, cooking for 5-7 minutes. Add minced garlic and sauté for an additional minute.
  4. Return browned beef to skillet and mix in Worcestershire sauce, soy sauce, Dijon mustard, and beef broth. Simmer for 5 minutes, then stir in sour cream.
  5. Cube the hamburger buns and layer them in a greased casserole dish. Pour beef mixture over bread cubes.
  6. Sprinkle shredded Swiss cheese over the top of the casserole.
  7. Bake for 25-30 minutes until bubbly and golden on top.
  8. Remove from oven, let rest for a few minutes, and garnish with freshly chopped parsley.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 35gProtein: 30gFat: 25gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 80mgSodium: 800mgPotassium: 600mgFiber: 3gSugar: 3gVitamin A: 200IUVitamin C: 4mgCalcium: 250mgIron: 3mg

Notes

This Mushroom and Swiss Burger Casserole can be prepped a day in advance. Store in an airtight container in the fridge for up to 3 days or freeze for up to 3 months.

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