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Mushroom and Chicken Alfredo Casserole

A delicious and creamy casserole combining tender chicken, hearty pasta, and savory mushrooms in a rich Alfredo sauce, perfect for busy weeknights or family gatherings.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Dinner, Main Course
Cuisine American
Servings 6 servings
Calories 450 kcal

Ingredients
  

Main ingredients

  • 3 cups cooked shredded or diced chicken Use leftover chicken for convenience.
  • 8 oz uncooked pasta (penne or rotini recommended) Pasta should be slightly undercooked.
  • 2 tablespoons butter
  • 1.5 cups sliced mushrooms
  • 2 cloves garlic, minced
  • 2 cups Alfredo sauce (homemade or store-bought) Homemade sauce adds a special touch.
  • 1 cup shredded mozzarella cheese
  • 0.5 cup grated Parmesan cheese
  • Salt and black pepper, to taste
  • Chopped parsley, for garnish (optional)

Instructions
 

Preparation

  • Preheat the oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.
  • Boil the pasta in salted water according to package directions, then drain and set aside.
  • In a skillet over medium heat, melt the butter. Add the mushrooms and cook for 5-7 minutes until browned.
  • Add the minced garlic and sauté for 1 more minute.
  • In a large bowl, combine the cooked pasta, chicken, sautéed mushrooms, Alfredo sauce, salt, and pepper. Mix well.
  • Transfer the mixture into the baking dish and top with mozzarella and Parmesan cheese.

Baking

  • Bake uncovered for 20-25 minutes or until the cheese is bubbly and golden brown.
  • Let cool slightly before serving and garnish with parsley if desired.

Notes

Serve this casserole hot from the oven. It can be enjoyed on its own or paired with a fresh salad or garlic bread. Store leftovers tightly covered in the fridge for up to 3-4 days, or freeze for up to 2 months.
Keyword Chicken Casserole, Comfort Food, Easy Dinner, Mushroom Alfredo, Pasta Bake