This slow cooker chicken spaghetti is a creamy, comforting one-dish meal where tender chicken breasts are cooked in a savory cream sauce, then tossed with spaghetti and melted Colby Jack cheese. It's designed for minimal hands-on time and maximum flavor.
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Place chicken breasts in the bottom of a slow cooker.
Season the chicken with granulated onion, granulated garlic, and paprika.
Pour the cream of chicken soups and the can of diced tomatoes and green chiles over the chicken.
Cover and cook on high for 6 hours or on low for 8 hours.
Once cooked, remove the chicken from the slow cooker and set aside.
Shred or dice the cooked chicken.
To the sauce remaining in the slow cooker, add the sour cream and about half of the shredded Colby Jack cheese.
Stir the sauce until the cheese is melted and everything is well combined.
Return the shredded chicken to the slow cooker and stir it into the sauce.
Meanwhile, cook the pasta in a large pot of salted boiling water according to package directions. Drain well.
Add the cooked and drained pasta to the slow cooker with the chicken and sauce. Stir until everything is evenly coated.
Top the spaghetti with the remaining shredded cheese. Cover the slow cooker and let it sit for a few minutes until the cheese is melted.
Serve hot, optionally with a side of Texas toast.
Refrigerate cooled leftovers in an airtight container for up to 3 days. Reheat gently on the stovetop with a splash of broth to restore creamy texture.
slow cooker (4–6 quart) · meat thermometer
Yes. Thighs will take slightly longer to cook and stay more moist, but work well in this recipe.
Cook pasta separately according to package directions, then combine with the cooked chicken mixture. This prevents mushy pasta.
Prepare the chicken mixture up to 24 hours ahead and refrigerate. Add pasta and cheese just before serving or reheating.
Cook on low for 4–5 hours until chicken reaches 165°F internally and shreds easily with a fork.
You can use cream of mushroom or cream of celery, but cream of chicken soups are best for flavor consistency.
