Slow Cooker Chicken Alfredo

Featured in: Soft Warm Bakes & Savory Treats

This dish combines tender chicken breasts slow-cooked in a creamy blend of heavy cream, milk, and cheeses. The pasta is added later to cook perfectly in the rich sauce. It’s seasoned with garlic, Italian herbs, and a hint of nutmeg to balance the flavors. Optional peas add a pop of color and sweetness, and fresh parsley adds a bright garnish. This hearty, hands-off meal yields six comforting servings, perfect for easy weeknight dining or casual gatherings, delivering rich, creamy satisfaction in every bite.

Updated on Thu, 25 Dec 2025 15:06:00 GMT
Creamy Slow Cooker Chicken Alfredo Pasta Bake with perfectly cooked pasta and tender chicken. Save to Pinterest
Creamy Slow Cooker Chicken Alfredo Pasta Bake with perfectly cooked pasta and tender chicken. | olivefrost.com

There's something magical about coming home to a kitchen that smells like butter, garlic, and cream—especially when you barely lifted a finger to make it happen. My slow cooker has become my secret weapon on those chaotic weeknights when I want something that tastes like I've been cooking all day, but the truth is I spent maybe ten minutes prepping. This Slow Cooker Chicken Alfredo Pasta Bake emerged from one of those desperate Tuesday evenings when I wanted comfort food without the stress, and it's been a reliable friend ever since.

I made this for a small dinner party once, nervous because I'd never served anything straight from the slow cooker before. My friend Sarah walked in right as I was giving it a final stir, and the look on her face when she saw the creamy, golden pasta bubbling away told me everything I needed to know. She actually asked for the recipe before dessert, which has never happened before.

Ingredients

  • Chicken breasts or thighs: Thighs stay more tender through the long cook, but breasts work fine if that's what you have—the cream sauce keeps everything moist either way.
  • Penne or rigatoni pasta: Short, sturdy shapes hold the sauce better than long noodles; uncooked pasta absorbs the liquid perfectly in that final half-hour burst.
  • Heavy cream and whole milk: This combination gives you richness without being so heavy that it feels heavy, and the milk helps the sauce from breaking.
  • Mozzarella and Parmesan: Mozzarella melts into silky strands while Parmesan adds that sharp, salty edge that makes people say 'what is that flavor?' in the best way.
  • Cream cheese and butter: These are your emulsifiers—they create that restaurant-quality sauce smoothness that feels impossible but isn't.
  • Garlic: Minced raw garlic softens into mellow sweetness over three hours, building flavor without any aggressive notes.
  • Dried Italian herbs and nutmeg: A whisper of nutmeg in cream sauces is one of those chef tricks that sounds odd until you taste it and realize it's been missing your whole life.

Instructions

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Layer your foundation:
Arrange those chicken pieces in the slow cooker bottom like you're tucking them into bed, then scatter the seasonings and garlic over top. This simple foundation is where all the flavor begins.
Pour in the cream base:
The heavy cream and milk go in next, creating a gentle bath for the chicken to poach in. Dot the butter and cream cheese cubes across the surface so they melt evenly as everything heats.
Let time do the work:
Cover and set to LOW for three hours—this gentle heat cooks the chicken through while the sauce begins its transformation into something silky and cohesive. Resist the urge to peek; the slow cooker is happiest undisturbed.
Shred and return:
Once the chicken shreds easily with two forks, break it into tender pieces and return it to the creamy bath. This step takes maybe three minutes but makes an enormous difference in the final texture.
Introduce the pasta:
Stir in the uncooked pasta along with the cheeses and peas, making sure everything gets coated in that sauce. The pasta will drink up the liquid while it cooks, so don't panic if it looks sauce-heavy at this point.
The final push:
Switch to HIGH for thirty to forty minutes, stirring halfway through so the pasta cooks evenly. You'll watch it transform from soupy to creamy as the pasta absorbs the liquid and releases its starches.
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| olivefrost.com

The moment that solidified this recipe's place in my rotation was when my kid, who's usually skeptical about anything creamy, asked for seconds and then thirds. That kind of quiet approval speaks louder than any compliment, and I've been riding that confidence ever since.

Variations and Switches

This recipe is more flexible than it might seem. Using rotisserie chicken cuts the initial cooking time to just an hour—you add the shredded meat straight at step six and skip the shredding entirely, which honestly feels like cheating in the best way. I've stirred in sautéed mushrooms, sun-dried tomatoes, and even spinach without upsetting the delicate balance, and each version tastes like a completely different dinner.

Timing and Make-Ahead Strategies

The beauty of a slow cooker is that you can assemble everything in the morning and cook when you're ready. I've prepared the slow cooker insert the night before, covered it, refrigerated it, and popped it in the base in the morning—just add maybe fifteen minutes to the initial cooking time since everything starts cold. If you're thinking about freezing, prepare through step three, freeze the assembled slow cooker insert, and thaw it completely before cooking.

Serving and Pairing Ideas

This pasta bake arrives at the table as a complete, comforting meal, but it shines alongside simple accompaniments that don't compete with all that cream and cheese. A sharp green salad cuts through the richness perfectly, and garlic bread is never a mistake—some people skip it, but why would you? The leftover reheats gently in the slow cooker on LOW for twenty minutes, or you can warm individual portions in a covered skillet with a splash of milk to restore the silky sauce.

  • A crisp arugula or romaine salad with lemon vinaigrette provides a fresh counterpoint to the rich pasta.
  • Roasted or steamed broccoli adds a welcome textural contrast if your crowd appreciates vegetables.
  • Garlic bread or crusty bread for soaking up every drop of sauce is non-negotiable in my house.
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A comforting, steaming bowl of Slow Cooker Chicken Alfredo Pasta Bake, perfect for a cozy dinner. Save to Pinterest
A comforting, steaming bowl of Slow Cooker Chicken Alfredo Pasta Bake, perfect for a cozy dinner. | olivefrost.com

This dish has become my go-to when I want to feel like a capable home cook without the actual stress, and somehow that's when the best meals happen. There's comfort in knowing dinner is waiting, warm and creamy and completely forgiving.

Recipe FAQs

Can I use different cuts of chicken?

Yes, boneless, skinless thighs or breasts work well. Thighs can add extra moisture and flavor during slow cooking.

Is it possible to substitute the pasta?

Uncooked penne or rigatoni work best for even cooking. Gluten-free pasta can be used but may require adjusted cooking times.

How can I add extra vegetables?

Sautéed mushrooms or sun-dried tomatoes can be stirred in with the pasta to boost flavor and texture.

Can this dish be prepared ahead of time?

Yes, ingredients can be prepped in advance, and the dish assembles quickly in the slow cooker when ready to cook.

What garnishes enhance the flavors?

Fresh parsley adds brightness, and a sprinkle of additional Parmesan can enhance the creamy sauce.

Can I use rotisserie chicken instead?

Yes, adding cooked chicken later reduces slow cooking time and speeds up preparation.

Slow Cooker Chicken Alfredo

Tender chicken and pasta create a creamy, comforting bake with rich Alfredo flavors.

Prep Time
10 minutes
Time to Cook
210 minutes
Overall Duration
220 minutes
Recipe by Natalie Wilson


Skill Level Easy

Cuisine Type American

Serves 6 Portions

Dietary Info None specified

What You Need

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)

How-To Steps

Step 01

Prepare chicken: Place chicken breasts in the slow cooker base.

Step 02

Season chicken: Sprinkle salt, pepper, Italian herbs, nutmeg, and add minced garlic over the chicken.

Step 03

Add liquids and dairy: Pour heavy cream and whole milk over the chicken. Distribute butter pieces and cream cheese cubes evenly on top.

Step 04

Initial cooking: 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, then return shredded chicken to the cooker.

Step 06

Add pasta and cheese: Incorporate uncooked pasta, shredded mozzarella, grated Parmesan, and frozen peas if using; stir to combine thoroughly.

Step 07

Final 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: Dish out hot and garnish with chopped fresh parsley.

What You'll Need

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

Allergy Details

Be sure to check ingredients for allergens and ask your doctor if you’re not sure.
  • Contains milk and cheese (dairy); contains wheat (gluten) unless gluten-free pasta is used.

Nutrition Details (per portion)

Intended only for informational use, not medical advice.
  • Calories: 590
  • Fats: 29 g
  • Carbohydrates: 47 g
  • Proteins: 37 g