Name: Crock Pot Cheesy Chicken Spaghetti
Prep time: 15 min
Cook time: 4 h
Total time: 4 h 15 min
Cuisine: American
Ingredients: 1 ½ pounds boneless skinless chicken breasts; 1 can 10.5 oz cream of chicken soup; 1 can 10 oz diced tomatoes with green chilies undrained; 1 cup low sodium chicken broth; 8 oz cream cheese softened and cut into cubes; 8 oz processed American cheese or Velveeta cut into cubes; 1 cup shredded sharp cheddar cheese; 1 small yellow onion finely chopped; 2 cloves garlic minced; 1 teaspoon smoked paprika; 1 teaspoon garlic powder; 1 teaspoon onion powder; 1 teaspoon Italian seasoning; ½ teaspoon salt; ½ teaspoon black pepper; 2 tablespoons unsalted butter; 12 oz spaghetti broken in half; 2 tablespoons chopped fresh parsley optional for garnish

There’s something almost magical about lifting the lid on your slow cooker and being greeted by a swirl of tender spaghetti wrapped in a creamy, cheesy sauce and juicy shreds of chicken. This Crock Pot Cheesy Chicken Spaghetti is the kind of weeknight comfort food that makes the whole house smell amazing and brings everyone to the table fast.

It’s cozy, rich, and a little bit zippy thanks to diced tomatoes with green chilies. You get all the flavors of a baked casserole, but with the ease of a set‑it‑and‑forget‑it crock pot dinner. Perfect for busy days, game nights, or whenever you want a no‑stress meal that still feels special.

Why You’ll Love This Crock Pot Cheesy Chicken Spaghetti

Effortless comfort food. The crock pot does most of the work. You toss in the chicken, sauce ingredients, and seasonings, then walk away while dinner slowly turns into creamy perfection.
Ultra cheesy and satisfying. A blend of cream cheese, cheddar, and melty American cheese wraps every strand of spaghetti in a sauce that’s velvety and rich without being fussy.
Family‑friendly with a little kick. Rotel tomatoes add gentle heat and bright flavor, but you can easily adjust the spice level for picky eaters.
Great for leftovers. This recipe reheats beautifully, so tomorrow’s lunch is already sorted.

What Makes This Crock Pot Cheesy Chicken Spaghetti So Easy?

Instead of juggling multiple pans and a baking dish, everything but the pasta cooks low and slow in the crock pot. The chicken becomes fork‑tender, the flavors have time to meld, and all you do at the end is stir in hot spaghetti and extra cheese.

You also don’t need any fancy ingredients. Pantry staples like cream of chicken soup, chicken broth, and dried seasonings keep things simple, while cream cheese and cheddar turn the sauce into something restaurant‑worthy. It’s the kind of recipe you can keep in your back pocket for nights when you want maximum comfort with minimal effort.

Ingredients for the Crock Pot Cheesy Chicken Spaghetti

Boneless, skinless chicken breasts – These slowly cook until they’re juicy and shreddable, soaking up all the creamy, cheesy flavors.

Cream of chicken soup – Acts as the base of the sauce, adding thickness and a savory, chicken‑forward flavor without extra work.

Diced tomatoes with green chilies (such as Rotel) – Bring a little tang, gentle heat, and extra moisture so the sauce isn’t one‑note.

Low‑sodium chicken broth – Thins the sauce to the perfect consistency and keeps the chicken moist while it cooks.

Cream cheese – Melts into the sauce for a silky, tangy richness that clings beautifully to the spaghetti.

Processed American cheese or Velveeta – Gives that ultra‑melty, stretchy cheese factor you expect from a classic cheesy casserole.

Shredded sharp cheddar cheese – Adds a punch of real cheddar flavor on top of the creamy base so every bite tastes extra cheesy.

Yellow onion – Finely chopped onion cooks down until sweet and soft, building savory flavor into the sauce.

Garlic – Fresh garlic wakes everything up with warm, aromatic notes that balance all the richness.

Smoked paprika – Adds gentle smokiness and color, enhancing the cozy, slow‑cooked vibe.

Garlic powder & onion powder – Layer in more flavor so the sauce tastes like it simmered on the stove all afternoon.

Italian seasoning or dried herbs – A mix of herbs like oregano, basil, and thyme to round out the sauce.

Salt and black pepper – Simple seasonings that sharpen all the other flavors. Use a light hand if your canned ingredients are salty.

Butter – A little butter tossed with the hot pasta keeps the noodles from sticking and adds extra richness.

Uncooked spaghetti – Broken in half so it’s easy to stir through the crock pot and catch all that cheesy sauce.

Fresh parsley – Optional, but a sprinkle on top adds color and a hint of freshness to this creamy dish.

How To Make the Crock Pot Cheesy Chicken Spaghetti

Step 1: Load Up the Crock Pot

Lightly grease the insert of your crock pot. Add the chicken breasts in a single layer, then scatter the chopped onion and minced garlic over the top. Pour in the cream of chicken soup, diced tomatoes with green chilies, and chicken broth. Sprinkle with smoked paprika, garlic powder, onion powder, Italian seasoning, salt, and black pepper.

Step 2: Slow Cook Until Tender

Cover and cook on LOW for 4–5 hours or HIGH for 2–3 hours, until the chicken is cooked through and easily shreds with two forks. Try not to lift the lid too often so the crock pot can maintain its heat.

Step 3: Shred the Chicken and Add the Cheeses

Once the chicken is tender, transfer it to a cutting board and shred it with two forks, then return it to the crock pot. Add the cubed cream cheese and processed American cheese, stirring gently so they’re nestled into the hot sauce. Cover and let everything sit for about 10–15 minutes, stirring occasionally, until the cheeses are completely melted and the sauce is smooth and creamy.

Step 4: Cook the Spaghetti

While the cheese melts, bring a large pot of salted water to a boil. Cook the spaghetti according to package directions until just al dente. Drain the pasta well, then toss it with the butter so the strands stay separate and glossy.

Step 5: Bring It All Together

Add the buttery spaghetti to the crock pot along with the shredded cheddar. Use tongs to gently toss everything together until the pasta is fully coated in the cheesy chicken sauce. If the mixture seems very thick, you can loosen it with a splash of warm chicken broth or reserved pasta water.

Step 6: Garnish and Serve

Taste and adjust seasoning with extra salt and pepper if needed. Sprinkle with chopped fresh parsley for a pop of color, then serve the Crock Pot Cheesy Chicken Spaghetti hot straight from the slow cooker.

Serving and Storing Crock Pot Cheesy Chicken Spaghetti

This dish is wonderfully hearty and filling, making it ideal for family dinners or casual get‑togethers. A single batch comfortably feeds 6–8 people, especially when you pair it with a simple side salad or vegetable.

For serving, I like to scoop generous portions into shallow bowls so all that creamy sauce has room to pool around the pasta. A little extra shredded cheddar or parmesan on top never hurts, and a sprinkle of parsley or red pepper flakes adds color and contrast.

Leftovers keep well, too. Store cooled cheesy chicken spaghetti in an airtight container in the refrigerator for up to 3–4 days. Reheat gently on the stovetop over low heat or in the microwave, adding a splash of milk or chicken broth to bring the sauce back to a creamy consistency.

If you want to freeze it, portion the cooled pasta into freezer‑safe containers and freeze for up to 2 months. Thaw overnight in the fridge before reheating, and again, loosen with a bit of broth or milk as needed.

What to Serve With Crock Pot Cheesy Chicken Spaghetti?

Garlic Bread or Breadsticks

Crusty garlic bread or warm breadsticks are perfect for swiping through every last bit of cheesy sauce.

Simple Green Salad

A crisp salad with romaine or mixed greens, cherry tomatoes, cucumber, and a tangy vinaigrette adds freshness to balance the richness of the pasta.

Roasted or Steamed Broccoli

Tender broccoli florets pair beautifully with cheesy dishes and sneak in some extra veggies on the plate.

Parmesan Garlic Roasted Carrots

For a cozy vegetable side, try serving this pasta with Parmesan Garlic Roasted Carrots, which roast up sweet, savory, and slightly crisp around the edges.

Garlic Parmesan Roasted Green Beans

Bright, crisp‑tender green beans with garlic and parmesan are a simple side that fits right in with the flavors of this dish.

Classic Caesar Salad

A Caesar salad with crunchy croutons and plenty of parmesan offers a cool, crunchy counterpoint to the warm, creamy spaghetti.

Light Fruit Salad

If you want something refreshing to finish the meal, a simple bowl of fresh berries or mixed fruit is just right after such a comforting main.

Want More Chicken Dinner Ideas?

If this Crock Pot Cheesy Chicken Spaghetti disappears quickly at your table, you’ll love exploring more cozy, crowd‑pleasing chicken recipes:

Try this ultra‑creamy Crazy Good Chicken Pasta Casserole when you’re craving baked comfort food loaded with cheese.
For another slow‑cooker favorite, make Slow Cooker Garlic Parmesan Chicken and Potatoes with tender potatoes and a garlicky butter sauce.
Switch things up with Cowboy Butter Chicken Linguine, a bold and zesty pasta that’s packed with flavor.
If you can’t get enough buttery noodles, Garlic Butter Chicken with Rigatoni and Parmesan is another creamy, dreamy weeknight dinner.

Save a few of these ideas and you’ll never be stuck wondering what to make with chicken again.

Save This Pin For Later

📌 Save this Crock Pot Cheesy Chicken Spaghetti to your favorite Pinterest dinner board so you can come back to it any time you need an easy, family‑friendly meal.

When you try it, let me know how it turned out for you. Did you dial up the heat with extra chilies, use a different cheese blend, or sneak in extra veggies for the kids? I love hearing all the clever ways you make these recipes your own.

Questions are always welcome in the comments—someone else is probably wondering the same thing, and we can all learn from each other’s kitchen wins.

For even more comforting casseroles, pasta dishes, and weeknight dinner ideas, follow Nora Nosh Recipes on Pinterest for new recipes and inspiration every day.