Slow Cooker Chicken Alfredo

Featured in: Family Meals

This dish brings together tender chicken and pasta in a luscious creamy Alfredo sauce made entirely in the slow cooker. Seasoned with garlic, Italian herbs, and a hint of nutmeg, the chicken simmers slowly until perfectly cooked and juicy. Pasta is added midway and cooks until tender, absorbing the rich dairy flavors from cream, butter, cream cheese, mozzarella, and Parmesan. Optional peas add a pop of color, while fresh parsley brightens the finish. It’s an easy, hands-off comfort meal ready in under four hours, ideal for cozy gatherings.

Updated on Thu, 25 Dec 2025 11:58:00 GMT
Steaming Slow Cooker Chicken Alfredo Pasta Bake, featuring tender chicken and creamy, cheesy pasta. Save
Steaming Slow Cooker Chicken Alfredo Pasta Bake, featuring tender chicken and creamy, cheesy pasta. | milestonepan.com

There's something magical about coming home to the smell of cream and garlic filling your kitchen—no actual cooking required on your part. Years ago, I discovered slow cooker pasta by accident when a dinner guest was running late and I'd already prepped everything. What I thought would be a disaster turned into the easiest, most elegant meal I'd ever served, and now it's my go-to when I want to impress without the stress.

I'll never forget the first time my partner tasted this straight from the slow cooker and asked if I'd secretly learned to make real Italian food. The fact that I'd been sitting on the couch for most of the afternoon made it even funnier—sometimes the best cooking is the kind where you're barely paying attention.

Ingredients

  • Boneless, skinless chicken breasts or thighs (1.5 lbs): Thighs stay juicier if you're worried, but either works beautifully here since the long, slow cooking keeps everything tender.
  • Penne or rigatoni pasta (12 oz uncooked): The tube shapes hold onto that creamy sauce like they were made for it—don't use angel hair, trust me.
  • Heavy cream (2 cups): This is what makes it feel luxurious; don't skip it or substitute with something lighter.
  • Whole milk (1 cup): Balances the richness and helps the sauce coat everything evenly without feeling heavy.
  • Shredded mozzarella cheese (1.5 cups): Gets silky and mild when melted slowly; buy the block and shred it if you have time.
  • Grated Parmesan cheese (1 cup): The nutty bite that makes people say, 'What is that amazing flavor?'
  • Unsalted butter (2 tbsp): Adds richness and helps the sauce emulsify into that creamy dream.
  • Cream cheese (4 oz cubed): Sounds unusual but it's the secret to velvety texture and subtle tang that lifts everything.
  • Garlic (4 cloves minced): Gentle and sweet when cooked low and slow, not harsh like raw garlic would be.
  • Frozen peas (1 cup optional): A small burst of sweetness and color, though I often leave them out and just enjoy the creamy richness.
  • Salt, black pepper, dried Italian herbs, ground nutmeg: Nutmeg might sound odd but a whisper of it makes people wonder what you're hiding in there.
  • Fresh parsley for garnish: More for brightness and visual appeal than flavor, but it makes a difference in the final moment.

Instructions

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Lay down your foundation:
Arrange the raw chicken in a single layer at the bottom of your slow cooker. This is your base, and it'll become so tender it'll practically fall apart by the time you need it.
Season generously:
Sprinkle salt, pepper, Italian herbs, and that tiny bit of nutmeg over the chicken, then scatter the minced garlic on top. You want every piece to get some flavor, so don't hold back.
Pour the cream magic:
Add the heavy cream and milk, then dot the butter and cream cheese cubes around the surface. They'll melt into everything as it cooks, creating an incredibly silky sauce.
Let time do the work:
Cover and set to LOW for 3 hours. You'll walk past it maybe twice and smell something absolutely incredible developing, but that's it—you're done with active work.
Shred and return:
Once the chicken shreds easily with two forks, remove it, pull it apart right on a cutting board, and return it to the slow cooker. This step takes maybe two minutes and doubles the texture appeal.
Add the pasta:
Stir in the uncooked pasta, both cheeses, and the peas if you're using them. Make sure everything is well combined so the pasta cooks evenly in the sauce.
Final push on high:
Switch to HIGH and cook for 30 to 40 minutes, stirring halfway through. You'll see the sauce thicken and the pasta soften, and that's when you know it's perfect.
Finish and serve:
Taste for seasoning, add a pinch more salt if needed, then serve in deep bowls with a little fresh parsley scattered on top.
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The moment I served this to my family and watched everyone go quiet for a few seconds before diving back in with real enthusiasm—that's when I realized I'd stumbled onto something special. It's become my answer to 'I'm too tired to cook but I want something that tastes like I tried.'

Why Slow Cookers Are Perfect for Creamy Pasta

Most stovetop pasta bakes need constant attention and often end up with tough chicken or scorched sauce on the bottom. The slow cooker's gentle, even heat keeps everything creamy and prevents that sad, grainy texture cream sauces sometimes get when they're rushed. Plus, the low, slow cooking actually helps the chicken stay moist instead of drying out like it might in the oven.

Customizing Without Stress

Once I understood how this recipe works, I started playing with it, and honestly, it's forgiving in the best way. I've added roasted red peppers, sautéed mushrooms, sun-dried tomatoes, and even fresh spinach at different points, and it always turns into something delicious. The only real rule is don't add watery vegetables without draining them first, because too much liquid dilutes that gorgeous sauce you're building.

Storage, Reheating, and Shortcuts

This keeps beautifully in the fridge for up to three days, and reheats gently on the stovetop over low heat with a splash of milk stirred in to loosen the sauce back to creamy perfection. If you're in a real time crunch, rotisserie chicken works beautifully—just use about 3 cups shredded and skip the initial 3-hour cook, instead mixing everything in a slow cooker set to HIGH for about 45 minutes until the pasta is tender.

  • Make it a day ahead and reheat before serving for even more developed flavor.
  • Leftovers freeze well for up to a month if you store them in an airtight container.
  • Add an extra half cup of cream or milk when reheating to account for absorption.
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A close-up of a bubbling Slow Cooker Chicken Alfredo Pasta Bake, perfect for a cozy dinner. Save
A close-up of a bubbling Slow Cooker Chicken Alfredo Pasta Bake, perfect for a cozy dinner. | milestonepan.com

This recipe has genuinely changed my relationship with weeknight cooking. What started as an accidental discovery is now my most-requested dinner, and I love that it requires almost no skill beyond reading a recipe and remembering to stir halfway through.

Recipe FAQs

Can I use different pasta types?

Yes, penne or rigatoni work best, but other sturdy pasta shapes like fusilli or rigatoni will hold the creamy sauce well.

How do I know when chicken is cooked?

The chicken is done after slow cooking on low for 3 hours when it easily shreds with a fork, ensuring tenderness and safety.

Can I add vegetables to the dish?

Frozen peas are an optional addition added with the pasta, but sautéed mushrooms or sun-dried tomatoes also complement the flavors nicely.

What are good serving suggestions?

This creamy bake pairs well with a crisp green salad and warm garlic bread for a balanced meal.

Is it possible to make this gluten-free?

Yes, substituting gluten-free pasta works well; just adjust cooking time as needed to achieve tender pasta.

Slow Cooker Chicken Alfredo

Comforting slow cooker dish with tender chicken, pasta, and creamy Alfredo sauce in one bake.

Prep Time
10 min
Time to Cook
210 min
Time Needed
220 min
Created by Caleb Barnes


Skill Level Easy

Cuisine American

Servings Yielded 6 Number of Servings

Special Diets None specified

What You'll 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 1/2 tsp black pepper
03 1/2 tsp dried Italian herbs
04 1/4 tsp ground nutmeg (optional)

Garnish

01 2 tbsp fresh parsley, chopped (optional)

How To Make

Step 01

Prepare chicken base: Place chicken breasts in the slow cooker. Season with salt, black pepper, dried Italian herbs, and nutmeg. Add minced garlic on top.

Step 02

Add dairy mixture: Pour heavy cream and whole milk over the chicken. Distribute butter pieces and cubed cream cheese evenly across the top.

Step 03

Slow cook chicken: Cover and cook on LOW for 3 hours until chicken is thoroughly cooked and can be easily shredded.

Step 04

Shred chicken: Remove chicken from cooker, shred using two forks, then return shredded chicken to the slow cooker.

Step 05

Incorporate pasta and cheese: Add uncooked pasta, shredded mozzarella, grated Parmesan, and frozen peas if using. Stir gently to combine all ingredients evenly.

Step 06

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

Step 07

Serve with garnish: Plate the dish hot and garnish with chopped fresh parsley if desired.

Tools Needed

  • 6-quart slow cooker
  • Knife and cutting board
  • Measuring cups and spoons
  • Forks for shredding

Allergen Details

Review each ingredient for allergens and speak with your healthcare provider if you have questions.
  • Contains milk, cheese (dairy), and wheat (gluten, unless gluten-free pasta used). Verify ingredient labels for other potential allergens.

Nutrition (per serving)

For informational use only. Always consult with a health professional if needed.
  • Calorie Count: 590
  • Fats: 29 g
  • Carbohydrates: 47 g
  • Proteins: 37 g