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leeks mushroom casserole

Leek and Mushroom Casserole

Leek and Mushroom Casserole

A delicious side dish of leeks and mushrooms, topped with a crispy cheese topping. Serve alongside your protein of choice for a lovely brunch or dinner. Can be made ahead!

In this seasonal casserole, leeks are teamed up with mushrooms and with a crispy, cheesy  topping make a yummy side dish.

leeks mushroom casserole



  • 4 large leeks, cleaned and sliced
  • 500 g (1 lb) mushrooms (any variety you prefer), sliced
  • 2 tablespoons butter
  • 200 ml (1 cup) dry white wine
  • 2 eggs
  • 120 g (1/cup) sour cream
  • 14teaspoon salt
  • 14teaspoon pepper
  • 14teaspoon nutmeg
  • 120 g (12 cup) grated mozzarella


  • Preheat the Oven: Preheat your oven to 180°C (350°F).


  • Sauté Leeks and Mushrooms: In a large skillet, heat the butter over medium heat. Add the sliced leeks and cook until they begin to soften, about 5 minutes. Stir in the sliced mushrooms to the skillet and cook until they release their moisture and become tender, about 8-10 minutes. Season with salt, pepper and nutmeg to taste.


  • Whisk eggs & sour cream: Combine eggs, sour cream, salt, pepper and nutmeg. If using a whisk, whisk vigorously until there are no more lumps.


  • Assemble the Casserole: Transfer the creamy leek and mushroom mixture into the prepared baking dish, spreading it out evenly. Sprinkle the grated mozzarella cheese over the top.


  • Bake to Perfection: : Place the casserole in the preheated oven and bake for 25-30 minutes, or until the cheese is melted and bubbly.


  • Serve and Enjoy: Once the casserole is done baking, remove it from the oven and let it cool for a few minutes. Serve warm and enjoy the rustic flavors of this comforting dish.


Why You’ll Love This Recipe:

  • Simple Ingredients, Big Flavor: With just a handful of wholesome ingredients, this recipe delivers rich, satisfying flavor that’s sure to please your taste buds.
  • Versatile and Adaptable: Feel free to customize this casserole to suit your preferences. Add in some diced potatoes or carrots for extra heartiness, or sprinkle some crispy bacon on top for a carnivorous twist.
  • Perfect for Any Occasion: Whether you’re hosting a cozy dinner party or simply craving a comforting meal on a chilly evening, this Leek and Mushroom Casserole is sure to hit the spot.

This Leek and Mushroom Casserole is a celebration of simple ingredients and hearty flavors. It’s a dish that brings people together around the dinner table and leaves everyone feeling warm, satisfied, and content. So go ahead, preheat your oven, gather your ingredients, and embark on a culinary journey that’s equal parts comforting and delicious.

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