This baked pasta casserole combines shredded chicken with spaghetti, mushrooms, a creamy sauce, and two types of cheese. Once baked, the top is golden and bubbly while the inside remains rich and creamy. It’s a dish that feels fancy enough for guests but simple enough for a weeknight dinner.
12 oz spaghetti noodles
3 cups cooked chicken, shredded (rotisserie works well)
2 tbsp olive oil or butter
1 medium onion, chopped
2 cloves garlic, minced
8 oz mushrooms, sliced
1 can of cream of chicken soup
1 can of cream of mushroom soup
1 ½ cups chicken broth
1 cup sour cream
1 cup shredded mozzarella cheese
½ cup grated Parmesan cheese
1 tsp dried thyme
Salt and black pepper, to taste
Fresh parsley, chopped (for garnish)
Cook the pasta: Boil spaghetti in salted water until al dente. Drain and set aside.
Sauté vegetables: Heat oil in a skillet, then sauté onion, garlic, and mushrooms until softened.
Make the sauce: In a large bowl, mix cream of chicken soup, cream of mushroom soup, chicken broth, sour cream, thyme, salt, and pepper. Stir in the sautéed vegetables and chicken.
Combine with pasta: Add the cooked spaghetti and toss to coat everything evenly.
Transfer to baking dish: Pour mixture into a greased 9×13 casserole dish. Top with mozzarella and Parmesan cheese.
Bake: Place in a preheated oven at 350°F (175°C) and bake uncovered for 30–35 minutes, until bubbly and golden.
Serve hot: Garnish with parsley and serve with garlic bread or salad.