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Chicken Spaghetti Bake

Creamy, cheesy casserole loaded with tender chicken and spaghetti in a rich sauce made from cream soups and sour cream - classic comfort food that feeds a crowd.
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Course: Main Course
Cuisine: American
Prep Time: 20 minutes
Cook Time: 30 minutes
Total Time: 50 minutes
Servings: 6

Ingredients

  • 12 oz spaghetti
  • 2 cups cooked chicken shredded
  • 1 can 10.5 oz cream of mushroom soup
  • 1 can 10.5 oz cream of chicken soup
  • 1 cup chicken broth
  • 1 cup sour cream full-fat
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella cheese
  • ½ cup chopped onion
  • ½ cup chopped green bell pepper
  • 2 cloves garlic minced
  • 1 tsp salt
  • ½ tsp black pepper
  • ½ tsp paprika
  • 1 Tbsp butter

Instructions

  • Preheat oven to 350°F. Grease a 9x13-inch baking dish.
  • Cook spaghetti according to package directions until al dente. Drain and set aside.
  • In a large skillet, melt butter over medium heat. Add onion, bell pepper, and garlic. Sauté 5 minutes until vegetables are softened.
  • In a large bowl, combine cream of mushroom soup, cream of chicken soup, chicken broth, and sour cream. Whisk until smooth.
  • Add shredded chicken, sautéed vegetables, salt, pepper, and paprika to the soup mixture. Stir to combine.
  • Add cooked spaghetti to the mixture and toss until pasta is evenly coated with sauce.
  • Transfer spaghetti mixture to prepared baking dish, spreading evenly.
  • Sprinkle cheddar and mozzarella cheeses over the top.
  • Bake 25-30 minutes until cheese is melted and bubbly. If cheese browns too quickly, cover with foil.
  • Let rest 5 minutes before serving.

Notes

  • Use rotisserie chicken to save time
  • Don't overcook pasta - it continues cooking in the oven
  • Can substitute turkey or ham for chicken
  • Add-ins: diced jalapeños, frozen peas, crumbled bacon, sliced mushrooms
  • For crunchy topping: mix crushed crackers or panko with melted butter, sprinkle over cheese
  • Can be assembled ahead and refrigerated up to 24 hours before baking
  • Freezes well - freeze unbaked or freeze leftovers up to 3 months