Slow Cooker Chicken Alfredo

Featured in: Everyday Meal Picks

This slow cooker dish features tender chicken breasts cooked low and slow with garlic, herbs, and rich cream, then mixed with pasta and melted mozzarella and Parmesan cheeses. The creamy Alfredo-style sauce becomes thick and luscious, coating every bite with comforting flavors. Optional peas add a hint of sweetness while fresh parsley lends brightness. Perfect for easy weeknight dinners, this hands-off casserole yields six hearty servings ready in under four hours, requiring minimal prep and attention.

Updated on Thu, 25 Dec 2025 09:13:00 GMT
Steaming hot slow cooker Chicken Alfredo pasta bake, a comforting casserole with creamy sauce and herbs. Save to Pinterest
Steaming hot slow cooker Chicken Alfredo pasta bake, a comforting casserole with creamy sauce and herbs. | cookingoffset.com

There's something magical about walking into the kitchen on a hectic Tuesday evening to find dinner practically made for you. I stumbled onto this slow cooker Alfredo years ago when I was juggling too many projects at once and needed something that didn't demand constant attention. The first time I poured that cream mixture over raw chicken and pasta, I honestly wasn't sure it would work—but three and a half hours later, the smell alone had me convinced I'd discovered something special.

I remember making this for a dinner party where I'd overboooked myself terribly—three events in one week. A friend arriving early found me stress-baking in the kitchen, and I almost apologized for serving something from a slow cooker. By the end of dinner, she was asking for the recipe, and someone else was scraping the last bits of sauce from their plate. That's when I realized this dish had quietly become proof that effortless doesn't mean ordinary.

Ingredients

  • Boneless, skinless chicken breasts or thighs (1.5 lbs): Thighs stay more tender during the long cook, but breasts work beautifully too—just don't skip the slow cooking step, or they'll dry out.
  • Uncooked penne or rigatoni pasta (12 oz): The key here is adding it uncooked; it absorbs all those creamy flavors as it cooks instead of being cooked separately and rinsed.
  • Heavy cream and whole milk (2 cups and 1 cup): This combination prevents the sauce from being too heavy while keeping it silky and luxurious.
  • Shredded mozzarella and grated Parmesan cheese (1.5 cups and 1 cup): Two cheeses give you depth—mozzarella melts smoothly while Parmesan adds that sharp, salty edge.
  • Cream cheese, butter (4 oz and 2 tbsp): These both thicken and enrich the sauce, creating that restaurant-quality texture that feels indulgent.
  • Garlic, minced (4 cloves): Minced garlic infuses the liquid as everything cooks, building flavor that'll make people ask what your secret ingredient is.
  • Frozen peas (1 cup, optional): They add color and a little sweetness that balances the richness—add them at the pasta stage so they don't overcook.
  • Salt, black pepper, Italian herbs, nutmeg (to taste): The nutmeg is optional but worth the pinch; it's barely detectable but somehow makes the whole sauce taste more complete.
  • Fresh parsley for garnish (2 tbsp, optional): A light sprinkle at the end brightens everything up and makes the dish look intentional.

Instructions

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Layer your base:
Arrange the chicken on the slow cooker bottom, season it generously, and scatter minced garlic over top. This is your foundation—the chicken will flavor everything around it as it cooks low and slow.
Pour in the cream:
Mix the heavy cream and milk, pour it over the chicken, then dot the butter and cream cheese pieces across the surface. They'll melt into the liquid and create that luxurious, silky base for your sauce.
Let time do the work:
Cover and cook on LOW for 3 hours until the chicken shreds easily with just two forks. This is the hard part—not peeking every fifteen minutes.
Shred and return:
Pull out the cooked chicken, shred it quickly with two forks, and return it to the pot. The sauce is already infused with chicken flavor at this point, so don't stress about meat pieces floating around.
Add the pasta:
Stir in the uncooked pasta, both cheeses, and the peas if you're using them. Make sure everything is submerged in the liquid so the pasta cooks evenly and absorbs all that cream.
High-heat finish:
Cover and cook on HIGH for 30 to 40 minutes, stirring once halfway through. Watch for the pasta to turn tender and the whole thing to smell absolutely incredible.
Serve with joy:
Ladle it into bowls while it's still warm and steaming, scatter fresh parsley on top if you have it, and brace yourself for how good this simple dish really is.
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A close-up shot of a bubbling slow cooker Chicken Alfredo pasta bake, full of cheesy goodness and pasta. Save to Pinterest
A close-up shot of a bubbling slow cooker Chicken Alfredo pasta bake, full of cheesy goodness and pasta. | cookingoffset.com

What surprised me most was how this dish became comfort food for people going through rough patches. A friend brought it when I was recovering from surgery, and I ate it for three days straight without getting tired of it. There's something about creamy, warm, straightforward food that meets you exactly where you are.

Timing and Flexibility

The beauty of this recipe is how forgiving it is with your schedule. If you're home early, you can keep it on the warm setting after cooking without fear of ruining it. If you're running behind, most slow cookers will hold a finished dish safely for an hour or two. I've also made this on weekend mornings and eaten it for both lunch and dinner, reheating it gently on the stovetop with a splash of milk if it seemed too thick.

Variations and Add-Ins

Once you've made this basic version a few times, you'll start seeing opportunities. Sautéed mushrooms stirred in at the pasta stage add an earthy depth that feels sophisticated without changing the core simplicity. Sun-dried tomatoes bring a tangy brightness, while a handful of fresh spinach (added at the very end so it just wilts) turns this into something that feels almost vegetable-forward. If you want to lean into richness, a pinch of white wine mixed into the cream at the start adds subtle sophistication, though it's absolutely not necessary.

  • Rotisserie chicken works beautifully—shred it and add it with the pasta stage, reducing the initial cook time to just 1 hour for the sauce to develop.
  • For a lighter version, swap half the heavy cream with Greek yogurt stirred in right at the end, after cooking finishes.
  • Gluten-free pasta needs watching more carefully; reduce the HIGH-heat cook time to 20–25 minutes and stir more frequently.

Serving and Pairing

This is the kind of dish that stands confidently on its own, but it loves company. A sharp green salad cuts through the richness perfectly, and garlic bread is almost mandatory—use it to catch every last drop of sauce from your bowl. I've served this to everyone from picky eaters to food snobs, and nobody has ever pushed their bowl away half-full.

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Imagine the aroma! This slow cooker Chicken Alfredo pasta bake is presented with fresh parsley. Save to Pinterest
Imagine the aroma! This slow cooker Chicken Alfredo pasta bake is presented with fresh parsley. | cookingoffset.com

This slow cooker Alfredo has become my answer when life gets chaotic and people still need to eat something warm and genuinely good. It asks so little of you and gives back so much.

Recipe FAQs

Can I use chicken thighs instead of breasts?

Yes, boneless skinless chicken thighs work well and stay moist during slow cooking.

What type of pasta is best for this dish?

Penne or rigatoni are ideal as they hold sauce well and maintain shape after slow cooker cooking.

Can I add vegetables to this dish?

Frozen peas are great for sweetness, and sautéed mushrooms or sun-dried tomatoes can enhance flavor.

Is it possible to make a gluten-free version?

Yes, substitute gluten-free pasta and adjust cooking time to ensure pasta cooks thoroughly.

How do I know when the chicken is ready?

Cook low for about 3 hours until chicken shreds easily with forks before adding pasta and cheese.

Can I prepare this dish ahead of time?

Partial prep is possible, but best enjoyed fresh to keep sauce creamy and pasta tender.

Slow Cooker Chicken Alfredo

Tender chicken and pasta combined with creamy Alfredo sauce in a hands-off slow cooker dish.

Prep Time
10 minutes
Cook Time
210 minutes
Time Needed
220 minutes
Created by Grace Anderson


Skill Level Easy

Cuisine Type American

Makes 6 Portions

Dietary Info None specified

Ingredient List

Meats

01 1.5 lbs boneless, skinless chicken breasts or thighs

Pasta

01 12 oz uncooked penne or rigatoni pasta

Dairy

01 2 cups heavy cream
02 1 cup whole milk
03 1.5 cups shredded mozzarella cheese
04 1 cup grated Parmesan cheese
05 2 tbsp unsalted butter, cut into pieces
06 4 oz cream cheese, cubed

Vegetables & Aromatics

01 4 cloves garlic, minced
02 1 cup frozen peas (optional)

Seasonings

01 1 tsp salt
02 0.5 tsp black pepper
03 0.5 tsp dried Italian herbs
04 0.25 tsp ground nutmeg (optional)

Garnish

01 2 tbsp fresh parsley, chopped (optional)

Directions

Step 01

Prepare chicken: Arrange chicken breasts in the bottom of the slow cooker.

Step 02

Season chicken: Sprinkle chicken with salt, pepper, Italian herbs, and nutmeg; add minced garlic.

Step 03

Add dairy components: Pour in heavy cream and whole milk. Distribute butter and cream cheese cubes evenly over the chicken.

Step 04

Cook chicken slowly: Cover and cook on LOW for 3 hours until chicken is fully cooked and easily shredded.

Step 05

Shred chicken: Remove chicken from slow cooker, shred with two forks, and return shredded meat to the slow cooker.

Step 06

Combine remaining ingredients: Stir in uncooked pasta, shredded mozzarella, grated Parmesan, and peas if desired, mixing thoroughly.

Step 07

Finalize cooking: Cover and cook on HIGH for 30 to 40 minutes, stirring once halfway through, until pasta is tender and sauce is creamy.

Step 08

Serve: Serve hot, garnished with fresh chopped parsley if using.

Gear Needed

  • 6-quart or larger slow cooker
  • Knife and chopping board
  • Measuring cups and spoons
  • Forks for shredding chicken

Allergen Info

Look through every item to spot allergens. If unsure, please talk to a health expert.
  • Contains milk and cheese (dairy); contains wheat gluten unless using gluten-free pasta.

Nutrition Details (per serve)

Nutritional details are for reference only. For health advice, check with your doctor.
  • Energy: 590
  • Total Fat: 29 g
  • Carbohydrates: 47 g
  • Proteins: 37 g