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Golden-brown cheesy cabbage & mushroom casserole in a white dish, garnished with parsley on a wooden table.

Cabbage & Mushroom Casserole: 5-Minute Prep, Big Flavor

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A warm and comforting Cabbage & Mushroom Casserole made with sautéed cabbage, earthy mushrooms, and a rich cheese sauce. This dish is topped with golden breadcrumbs for a satisfying crunch. Perfect for busy weeknights, meal prep, or a hearty family dinner, this casserole is simple, versatile, and packed with wholesome flavor.

  • Total Time: 35 minutes
  • Yield: 6 servings 1x

Ingredients

Scale
  • 1 medium head of cabbage, thinly sliced
  • 2 cups mushrooms, sliced (button, cremini, or portobello)
  • 1 medium onion, finely chopped
  • 2 garlic cloves, minced
  • 3 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 2 cups whole milk
  • 2 cups shredded cheese (cheddar, mozzarella, or a mix)
  • ½ cup breadcrumbs
  • ¼ cup Parmesan cheese (optional)
  • A pinch of nutmeg
  • Salt and pepper to taste
  • Fresh parsley for garnish

Instructions

  • Sauté the Vegetables: Heat 1 tablespoon of butter in a skillet over medium heat. Add the mushrooms and cook until golden brown. Remove and set aside. In the same skillet, sauté the cabbage until tender but slightly crisp. Set aside.
  • Prepare the Cheese Sauce: In a saucepan, melt the remaining butter and whisk in the flour. Cook for 2 minutes, then gradually add the milk while whisking continuously. Cook until the sauce thickens. Stir in 1½ cups of shredded cheese, nutmeg, salt, and pepper.
  • Assemble the Casserole: Preheat the oven to 375°F (190°C). Grease a 9×13-inch baking dish. Layer the cabbage, mushrooms, and onions evenly. Pour the cheese sauce over the vegetables and top with breadcrumbs, remaining cheese, and Parmesan (optional).
  • Bake: Bake for 25–30 minutes, or until the top is golden and bubbly. Let the casserole rest for 5 minutes before serving. Garnish with fresh parsley.

Notes

  • For a low-carb version, use almond flour for the roux and heavy cream instead of milk.
  • Vegan? Replace the butter, cheese, and milk with plant-based alternatives.
  • Add some spice by sprinkling in chili flakes or diced jalapeños to the sauce.
  • Author: [email protected]
  • Prep Time: 5 minutes
  • Cook Time: 30 minutes
  • Category: Dinner
  • Method: Baking
  • Cuisine: Comfort Food
  • Diet: Vegetarian

Nutrition

  • Calories: 290
  • Sugar: 5g
  • Sodium: 320mg
  • Fat: 16g
  • Saturated Fat: 9g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 25g
  • Fiber: 4g
  • Protein: 11g
  • Cholesterol: 45mg