Easy Cheesy Chicken Spaghetti Casserole Recipe – Classic Comfort Food
Cheesy chicken spaghetti casserole is a creamy, comforting family dinner made with tender chicken, spaghetti, and plenty of melted cheese. This easy casserole recipe combines a rich, cheesy sauce with pasta for a hearty meal perfect for weeknights or potlucks. Cheesy chicken spaghetti casserole is simple to prepare, freezer friendly, and always a crowd pleasing favorite.
Ingredients
12 ounces (340 g) spaghetti
3 cups (450 g) cooked shredded chicken breast
2 cups (200 g) shredded sharp cheddar cheese, divided
1 cup (100 g) shredded mozzarella cheese
1 can (10.5 ounces / 300 g) cream of chicken soup
1 can (10.5 ounces / 300 g) cream of mushroom soup
1 cup (240 ml) chicken broth
1 cup (240 ml) whole milk
1 small onion, finely diced (½ cup / 75 g)
1 medium red bell pepper, diced (1 cup / 150 g)
2 cloves garlic, minced
2 tablespoons (30 g) unsalted butter
1 teaspoon salt
½ teaspoon black pepper
½ teaspoon paprika
½ teaspoon Italian seasoning
Instructions
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Preheat oven to 350°F (175°C). Grease a 9×13-inch (23×33 cm) baking dish.
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Cook spaghetti according to package directions until al dente. Drain and set aside.
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In a skillet over medium heat, melt butter. Sauté onion and bell pepper for 4–5 minutes. Add garlic and cook 30 seconds.
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Stir in cream of chicken soup, cream of mushroom soup, chicken broth, milk, salt, pepper, paprika, and Italian seasoning. Simmer 3–5 minutes.
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In a large bowl, combine spaghetti, shredded chicken, 1½ cups (150 g) cheddar, and mozzarella. Pour sauce over and mix well.
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Transfer to baking dish and top with remaining ½ cup (50 g) cheddar cheese.
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Bake uncovered for 25–30 minutes until bubbly and cheese is melted. Let rest 5–10 minutes before serving.