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The Best Chicken Spaghetti

This Chicken Spaghetti is a creamy, cheesy, and satisfying casserole that’s beloved for its comforting flavors and ease of preparation. Tender chicken, pasta, and a rich cheese sauce come together for a meal that’s ideal for family dinners, potlucks, or freezer-friendly meal prep.

Ingredients

Scale

2 cups cooked chicken, shredded
8 ounces spaghetti, broken into thirds
1 can (10.5 oz) cream of chicken soup
1 can (10 oz) Rotel (diced tomatoes with green chilies), drained
1/2 cup sour cream
1/2 cup chicken broth
2 cups shredded cheddar cheese
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
Salt and pepper to taste
1 tablespoon chopped parsley (optional, for garnish)

Instructions

Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish.

Cook the spaghetti in salted boiling water until al dente. Drain and set aside.

In a large bowl, mix the cream of chicken soup, Rotel, sour cream, chicken broth, 1 1/2 cups of cheddar cheese, garlic powder, onion powder, salt, and pepper.

Add the cooked spaghetti and shredded chicken to the mixture. Stir until everything is well combined.

Pour the mixture into the prepared baking dish and spread evenly. Top with the remaining 1/2 cup of cheese.

Bake uncovered for 25–30 minutes, or until the cheese is melted and the casserole is bubbly.

Let cool slightly before serving. Garnish with chopped parsley if desired.

Notes

You can use rotisserie chicken or any leftover cooked chicken for convenience. For extra richness, add a little cream cheese to the sauce mixture. This dish freezes well—assemble ahead and freeze before baking, then thaw and bake when ready to serve. For a spicier version, use hot Rotel or add a pinch of cayenne pepper.