You know those days when you crave something cozy but don’t want to babysit the stove? That’s exactly why I fell in love with my Crock Pot White Lasagna Soup recipe. It’s like giving lasagna a big, warm hug and turning it into spoonable comfort. I first made this on a rainy Tuesday when my kids were begging for pasta but I needed hands-off cooking. The magic happens when tender chicken, al dente noodles, and creamy broth come together effortlessly in your slow cooker. Trust me, the smell alone will have everyone hovering around the kitchen!

Table of Contents
Table of Contents
Why You’ll Love This Crock Pot White Lasagna Soup
This soup is my go-to for so many reasons – let me count the ways:
- Creamy dreamy: That rich, velvety broth makes every spoonful feel indulgent without being heavy
- Set it & forget it: Just dump, cook, and walk away – your slow cooker does all the work
- Totally flexible: Swap in what you’ve got (turkey for chicken, kale for spinach) – it always works
- Kid-approved: Even my picky eaters gobble up the cheesy, noodle-filled goodness
Oh, and did I mention? Leftovers taste even better the next day when the flavors really marry.
Ingredients for Crock Pot White Lasagna Soup
Here’s everything you’ll need to make this cozy soup – and trust me, every ingredient plays a special role:
- 2 tbsp unsalted butter – the foundation for sautéing those aromatics
- 1 medium onion, finely chopped – take your time dicing it small so it melts into the broth
- 3 cloves garlic, minced – fresh is best here, not that jarred stuff!
- 2 tsp Italian seasoning – my secret? Rub it between your palms first to wake up the oils
- 1 tsp salt – go lighter if your broth isn’t low-sodium
- ¼ tsp black pepper – freshly cracked adds the best flavor
- ⅛ tsp crushed red pepper flakes (optional) – just enough to give a gentle warmth
- 3 cups low-sodium chicken broth – use 4 cups if you prefer a thinner soup
- 2 boneless, skinless chicken breasts (300g) – about the size of your palm
- ¼ cup sun-dried tomatoes, chopped (optional) – adds little bursts of tangy sweetness
- 2 cups short dry pasta – I use broken lasagna noodles for authenticity
- 1 cup half & half – heavy cream works too if you’re feeling decadent
- 2 tbsp cornstarch – our magic thickener
- 1 cup fresh spinach, chopped – packed tight for maximum green goodness
- Cheese for garnish – ricotta, Parmesan, or shredded mozzarella all work beautifully
How to Make Crock Pot White Lasagna Soup
Okay, let’s get cooking! This soup comes together in easy stages, and I’ll walk you through each one. The best part? You can do most of this while watching your favorite show or helping with homework. Here’s how I make it perfect every time:
Step 1: Sauté the Aromatics
First, grab your biggest pot or use your slow cooker’s sauté function if it has one. Melt that butter over medium heat – you’ll know it’s ready when it stops foaming. Toss in your finely chopped onions and stir them around until they turn translucent (about 5 minutes). This is when I usually call my kids to “come smell the kitchen magic!” Add the minced garlic and cook just until fragrant – about 30 seconds. Then sprinkle in all those lovely spices (Italian seasoning, salt, pepper, and red pepper flakes if using). Stir constantly for 1 minute to toast them lightly – this wakes up their flavors!

Step 2: Slow Cook the Broth and Chicken
Now pour in your chicken broth – I use 3 cups for a thicker soup, but go for 4 if you like it brothier. Drop in those chicken breasts and sun-dried tomatoes if you’re using them. Cover and set your slow cooker: LOW for 4-6 hours or HIGH for 2-3 hours. I prefer LOW for more tender chicken, but HIGH works when I’m in a hurry. The chicken is done when it reaches 165°F internally or shreds easily with a fork.
Step 3: Cook Pasta Separately
About 30 minutes before serving, cook your pasta separately in boiling salted water. This is my golden rule – never cook pasta directly in the slow cooker unless you want mushy noodles! Drain it when it’s al dente (still slightly firm to the bite) because it’ll keep cooking a bit when added to the hot soup later.
Step 4: Shred Chicken and Thicken Soup
Fish out those cooked chicken breasts and place them on a cutting board. Use two forks to shred them – I like chunky pieces for texture. Return the chicken to the pot. Now for the creamy magic: whisk together your half & half and cornstarch until smooth, then stir it into the soup. Let it bubble gently for 10-15 minutes – you’ll see the broth transform into a luxurious, slightly thickened consistency.
Step 5: Add Spinach and Pasta
Finally, stir in your chopped fresh spinach – it’ll wilt beautifully in about 2 minutes. Then gently fold in your cooked pasta. I like to let everything mingle for about 5 minutes off heat before serving. Be gentle with the stirring to keep those noodles intact!
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Irresistible Crock Pot White Lasagna Soup in 5 Simple Steps
- Prep Time: 15 mins
- Cook Time: 4-6 hours (LOW) or 2-3 hours (HIGH)
- Total Time: 4 hours 15 mins to 6 hours 15 mins
- Yield: 4 servings 1x
- Category: Soup
- Method: Slow Cooking
- Cuisine: Italian
- Diet: Low Lactose
Description
A creamy and comforting white lasagna soup made in a crock pot with tender chicken, pasta, and spinach.
Ingredients
- 2 tbsp unsalted butter
- 1 medium onion, finely chopped
- 3 cloves garlic, minced
- 2 tsp Italian seasoning
- 1 tsp salt (reduce if not using low-sodium broth)
- ¼ tsp black pepper
- ⅛ tsp crushed red pepper flakes (optional for spice)
- 3 cups low-sodium chicken broth (use 4 cups for a thinner soup)
- 2 boneless, skinless chicken breasts (300g)
- ¼ cup sun-dried tomatoes, chopped (optional)
- 2 cups short dry pasta or broken lasagna noodles (120g)
- 1 cup half & half or heavy cream
- 2 tbsp cornstarch
- 1 cup fresh spinach, chopped
- Ricotta, Parmesan, or shredded mozzarella for garnish
Instructions
- Sauté the Aromatics: Melt butter in a large pot or slow cooker with a sauté function. Add onions and cook until soft. Stir in garlic, Italian seasoning, salt, pepper, and red pepper flakes. Cook for 1 minute.
- Build the Broth: Add chicken broth, chicken breasts, and sun-dried tomatoes. Cover and cook on LOW for 4-6 hours or HIGH for 2-3 hours.
- Cook the Pasta: Boil pasta separately until al dente, drain, and set aside.
- Shred the Chicken: Remove cooked chicken, shred with two forks, and return it to the soup.
- Thicken the Soup: Whisk half & half and cornstarch together. Stir into the soup and let cook for 10-15 minutes until slightly thickened.
- Add Spinach & Pasta: Stir in fresh spinach and cooked pasta. Let it warm through.
- Serve: Ladle into bowls and top with ricotta, Parmesan, or mozzarella.
Notes
- For a thinner soup, use 4 cups of chicken broth.
- Adjust spiciness by adding or omitting red pepper flakes.
- Store leftovers in an airtight container for up to 3 days.
Nutrition
- Serving Size: 1 bowl
- Calories: 380
- Sugar: 5g
- Sodium: 650mg
- Fat: 14g
- Saturated Fat: 7g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 3g
- Protein: 25g
- Cholesterol: 80mg
Tips for the Best Crock Pot White Lasagna Soup
After making this soup countless times (my family won’t let me stop!), I’ve picked up some foolproof tricks:
- Broth control: Start with 3 cups for a hearty, stew-like consistency – you can always thin it later with extra hot broth
- Spice smarts: Taste after thickening – the flavors concentrate, so I often add a pinch more salt or pepper at this stage
- Pasta prep: Keep cooked noodles separate until serving to prevent sogginess (they’ll soak up broth overnight)
- Cream caution: Stir in the half & half last to prevent curdling – and never boil vigorously after adding it
Oh! And always make extra – this soup disappears fast! If you enjoy slow cooker recipes like this, check out more ideas on our Facebook page for more family favorites.

Variations for Crock Pot White Lasagna Soup
One of my favorite things about this recipe? How easily it adapts to whatever’s in your fridge or dietary needs! Here are my tried-and-true swaps:
- Protein power: Turkey thighs work beautifully instead of chicken – just cook them an extra hour
- Greens galore: Swap spinach for kale (remove stems) or even frozen chopped collards
- Pasta possibilities: Gluten-free noodles or zucchini ribbons keep it light – just add them right before serving
- Creamy alternatives: Coconut milk makes a dreamy dairy-free version (though the flavor changes slightly)
See? The possibilities are endless – just like your appetite for this soup! If you are looking for other soup inspiration, check out our collection of soup recipes.
Serving Suggestions for Crock Pot White Lasagna Soup
Now for the best part – dressing up your bowl of comfort! I always serve this soup with warm garlic bread for dipping – the crispy edges soaking up that creamy broth is pure heaven. A simple side salad with lemony vinaigrette cuts through the richness perfectly. Don’t skimp on the garnishes either! My family goes wild when I set out little bowls of:
- A dollop of creamy ricotta
- Freshly grated Parmesan
- Shredded mozzarella for that classic lasagna feel
- Extra red pepper flakes for heat lovers
Trust me, letting everyone customize their bowl makes it even more fun!

Storage and Reheating Instructions
Here’s the scoop on keeping your Crock Pot White Lasagna Soup tasting fresh – because let’s be real, you’ll want leftovers! Store cooled soup in airtight containers in the fridge for up to 3 days (the pasta might soak up some broth, but it’s still delicious). When reheating, go low and slow on the stovetop – medium heat with frequent stirring prevents the cream from separating. Microwave works too – just use 50% power and stir every minute. One big warning: don’t freeze this soup! The dairy turns grainy when thawed, and nobody wants that texture.
Nutritional Information for Crock Pot White Lasagna Soup
Just between us, I’m not one to obsess over numbers when comfort food’s involved – but if you’re curious, here’s the scoop! These values are estimates per serving (about 1¼ cups) and will vary based on your exact ingredients:
- Calories: 380 – cozy but not crazy
- Protein: 25g – thank you, chicken!
- Carbs: 35g – mostly from those satisfying noodles
- Fiber: 3g – hello, sneaky spinach
- Fat: 14g – the good kind that makes it creamy
Remember, garnishes add more – but who’s counting when it’s this delicious? Use these as a general guide and adjust to your preferences!
FAQs About Crock Pot White Lasagna Soup
I get asked about this soup all the time – here are the questions that pop up most often in my kitchen:
Can I leave the slow cooker on warm after cooking?
Absolutely! The “warm” setting keeps it perfect for up to 2 hours. Just stir occasionally and add a splash of broth if it thickens too much.
What pasta works best besides lasagna noodles?
My go-tos are cavatappi (those fun corkscrews) or penne – anything sturdy that won’t turn to mush. For gluten-free, try brown rice pasta.
How can I lighten it up?
Use milk instead of half & half and skip the cornstarch (it’ll be thinner but still tasty). Load up on extra spinach too!
Why cook pasta separately?
Slow cooker heat makes noodles absorb too much liquid – trust me, I learned this the soggy way! Cooking them al dente separately keeps that perfect bite.

Now go make this soup and tag me with your creations – I love seeing your cozy kitchen moments! If you’re looking for another creamy, comforting dish, you might enjoy our creamy lasagna soup recipe.