Potato Chicken Mushroom Casserole

A hearty and most delicious Potato Chicken Mushroom Casserole recipe. Layers of potatoes, with chicken and mushrooms smothered in a creamy sauce and loaded with cheese. The perfect family dinner recipe!
Course Dinner
Cuisine American
Keyword casserole, chicken casserole
Prep Time 15 minutes
Cook Time 1 hour
Servings 6 servings
Calories 548kcal
Author Valentina's Corner


  • 2 chicken breasts (1 lb)
  • 8 large potatoes, sliced
  • 2 Tbsp cilantro, chopped
  • 2 Tbsp dill, chopped
  • 12 oz mushrooms, sliced
  • 1 small onion, chopped
  • 2 garlic cloves, minced
  • 4 Tbsp butter
  • 2 cups shredded mozzarella cheese
  • oil, for sauteing


  • 4 Tbsp sour cream
  • 1 egg
  • 2 Tbsp mayonnaise
  • 1 1/2 cups whole milk
  • ½ tsp salt
  • ¼ tsp ground black pepper

chicken seasoning-


  • Beat chicken breast until even in thickness. In a bowl, combine seasonings for chicken. Season both sides of the chicken breasts.
  • Over med/high heat, heat 2 Tbsp oil in a skillet. Sear chicken 2-3 minutes per side. Turn heat down to low and cook another 5-6 minutes, until the chicken is tender and fully cooked.
  • Meanwhile, peel the potatoes slice into thin slices. Over medium/high heat, saute the potato for about 10 minutes or until potatoes are tender. Season the potatoes with salt and pepper.
  • Remove the chicken from the skillet and cover to keep warm. In the same skillet, saute the mushrooms with chopped onions and minced garlic. Cook until mushrooms are golden, salt and pepper to taste.
  • In a bowl, combine together the sour cream, egg, mayo, milk, salt and pepper.
  • Once the potatoes are tender, transfer them into a casserole dish. Spread them evenly along the bottom of the casserole dish. Top with chopped greens.
  • Slice the chicken breast into thin strands. Spread over the potatoes in the casserole dish.
  • Top chicken with the mushroom mixture. Place 4 Tbsp of butter into the dish.
  • Combine all the ingredients for the sauce and pour the sauce all over the casserole.
  • Add the cheese and cover dish with foil.
  • Baked at 400°F for 35 minutes, remove the foil and bake an additional 10 minutes.
  • Add more herbs and serve.


Calories: 548kcal | Carbohydrates: 44g | Protein: 37g | Fat: 26g | Saturated Fat: 13g | Cholesterol: 138mg | Sodium: 1075mg | Potassium: 1789mg | Fiber: 8g | Sugar: 6g | Vitamin A: 813IU | Vitamin C: 36mg | Calcium: 374mg | Iron: 10mg