Slow Cooker Lasagna Soup

The Cozy Soup That Feels Like a Hug

Okay, hear me out — I never really planned to make lasagna soup in my slow cooker. It just kind of happened, like the time I tried to make fancy lasagna and got distracted watching football (the Packers lost, naturally) and everything got a bit crispy on the edges. Not bad, but still, not exactly the comfort food I was after. One cold Michigan afternoon, I figured: why not throw all my lasagna favorites in the crockpot and see if it worked? Turns out, it’s now my go-to when I can’t be bothered to fuss over the oven for hours or, honestly, when I’ve straight up forgotten to buy proper pasta sheets. Story of my life. Oh, and if you hear mysterious slurping noises in my kitchen—it’s probably just me, taste-testing (for science, of course).

Why You’ll Love This (Or at Least, Why I Do)

I make this when the idea of cleaning lasagna pans makes me want to crawl back into bed. Or when my family drops hints that they’re “starving” but the fridge is looking more like a blank canvas than an actual meal. Everybody pretty much loses their minds (in a good way) over this because it’s got all that cheesy, saucy goodness with none of the fussy layering. And — little confession — you can toss in leftover sausage, forgotten vegetables, random cheese ends, whatever. I’ve tried making it with gluten-free noodles once; my brother didn’t even notice. It’s almost like lasagna’s comfy pyjama cousin.

Grab These Ingredients (Or Something Close Enough)

  • 1 pound ground beef (honestly, turkey or even lentils do the job, especially when I’m feeling extra virtuous)
  • 1 small onion, diced (red, yellow, whatever’s rolling around in your onion basket)
  • 3 cloves garlic, minced (or a big spoonful from that jarred stuff — I won’t judge)
  • 1 bell pepper, diced (my grandma swore by green peppers, but I grab whatever’s on sale)
  • 3 cups beef broth (I’ve done it with chicken broth, and it didn’t cause any disasters)
  • 1 can (28oz) crushed tomatoes (or diced, or honestly that one time I used leftover spaghetti sauce)
  • 2 tablespoons tomato paste (optional, but definitely adds oomph)
  • 2 teaspoons dried Italian herbs (sometimes I just shake the jar till it feels right)
  • 1 teaspoon salt (or less if you’re feeling salted out already)
  • 1/2 teaspoon pepper
  • 10-12 broken lasagna noodles (about 200g, but sometimes half a box is good enough if you like it extra noodly)
  • Ricotta cheese, shredded mozzarella, and grated Parmesan for topping (truth: cottage cheese once snuck in, and no one cried)

Here’s How You Actually Make It

  1. Start by browning the beef (or turkey or whatever), with the onion, in a skillet over medium heat. And try not to let it burn — but even if you do, a little crispy bit here and there is fine. Drain off the fat unless you want extra flavor (or, uh, calories).
  2. Scoop the meat into your slow cooker (mine’s just a cheap 6-quart, hardly high-tech), toss in the diced bell pepper, garlic, crushed tomatoes, tomato paste, those herbs, salt, and pepper. Pour in the broth. Give it all a little stir. If it looks a bit weird or too chunky, just trust the process — it magically blends together by the end.
  3. Lid on, then set it to low for about 6-8 hours or high for 3-4. I usually forget it’s even cooking until everything smells comfort-food amazing. No need to stir, but if you wander by, go ahead.
  4. About 30 minutes before you want to eat, stir in the broken lasagna noodles. Sometimes I break them up way too small; no shame, it still tastes great.
  5. Just before serving, stir in a big spoonful of ricotta (unless you want to just plop it on top—your call). Pile on mozzarella and Parmesan too, or cheese it up however you fancy.
  6. This is where I usually sneak a taste—and then a second, because hey, cook’s privilege.

Notes Form the Messy Trenches

  • If you add the noodles too early they can get mushy—one time I just threw them in at the beginning and got lasagna porridge. Actually, it wasn’t so bad, but it’s not soup.
  • I never measure the Italian herbs. Probably should, but a hearty shake works out okay.
  • I’ve discovered this tastes even better the next day (if it lasts that long — rare in my house!).

All the Ways I’ve Tried to Tweak It

  • Spinach: I tossed in some baby spinach for fake healthiness. Kids didn’t complain (or notice).
  • Chicken: Swapped beef for shredded rotisserie chicken once. Not quite the same, but still hearty.
  • White beans: Okay, this one I wasn’t a fan of, but credit for trying to up the fiber.

Do You Really Need a Slow Cooker? (Guess Not)

Frankly, I swear by my slow cooker (I use this Crock-Pot, because it was on sale), but you could do this on the stove over really low heat, just keep an eye that it doesn’t run dry. No instant pot? No biggie — just baby-sit your pot a bit more.

Slow Cooker Lasagna Soup

Keeping It Leftover (If That Even Happens)

This soup keeps for maybe 3 days in the fridge, though honestly it never goes uneaten that long — my teenager seems to think it’s acceptable breakfast food. Freezes ok, but sometimes the noodles get a bit rubbery on reheat (yeah, not my favorite).

How I Like to Serve It

I always set out a little bowl of extra Parmesan and a basket of crusty bread on the side because that’s what my mom did. Sometimes I toss on fresh basil if I’m feeling fancy, or just let everybody top their own. Works a treat for the football crowd or just Tuesday night Netflix marathons.

Lessons Learned: Don’t Make My Mistakes

  • I once tried to cook the noodles in the slow cooker form start—noodles just… vanished. Add noodles late!
  • Using low-sodium broth seemed like a good idea, but actually, I found it works better with just regular broth, otherwise it’s a bit blah.
  • Resist the urge to stir too often. I get fidgety, but the less you fiddle, the better it is.

Questions I’ve Heard (Or Asked Myself)

  • Can I use other types of pasta? Sure, although it won’t taste exactly like lasagna. Penne or broken spaghetti works—still gets the cheesy-saucy vibe.
  • Will this work with gluten-free noodles? Yup! Just keep an eye out—they get soft faster, so check at the 20-minute mark.
  • Can I leave out the meat? Totally! Bulk it up with lentils or mushrooms if you want. (I’ve done it both ways. Nobody rioted.)
  • Is there a way to make this vegan? Absolutely, swap cheese for your favorite vegan cheese (I quite like Miyoko’s for this)—and use veggie broth and plant-based “meat” if you like. I even tried silken tofu once instead of ricotta (it was, eh, fine).
  • What do I do if it’s too thick? Splash in a bit more broth or even water. Soup is forgiving like that!
  • Can you double it? Sure, but don’t overflow your slow cooker. It gets messy fast (sorry again about that, 2019…)

Anyway, if you end up with extra cheese, use it! And don’t stress the process. If in doubt, trust your nose more than the clock — works every time.

P.S. If you want to up your soup game, check out Smitten Kitchen’s version too — hers is stovetop and fancy-ish. Or go down the rabbit hole with Slow Cooker recipes at Budget Bytes. And if all else fails, grilled cheese solves most soup emergencies.

★★★★★ 4.80 from 51 ratings

Slow Cooker Lasagna Soup

yield: 6 servings
prep: 20 mins
cook: 20 mins
total: 50 mins
A cozy, all-in-one meal with classic lasagna flavors, this Slow Cooker Lasagna Soup is packed with ground beef, tomatoes, herbs, noodles, and plenty of melty cheese. Let your slow cooker do the work for a delicious, comforting dinner.
Slow Cooker Lasagna Soup

Ingredients

  • 1 pound ground beef
  • 1 yellow onion, diced
  • 3 cloves garlic, minced
  • 1 (28 oz) can crushed tomatoes
  • 4 cups low-sodium chicken broth
  • 1 (14.5 oz) can diced tomatoes
  • 2 teaspoons dried Italian seasoning
  • 8 lasagna noodles, broken into pieces
  • 1 cup ricotta cheese
  • 1 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese
  • 2 tablespoons chopped fresh basil
  • Salt and pepper, to taste

Instructions

  1. 1
    In a skillet over medium heat, cook the ground beef until browned. Drain any excess fat.
  2. 2
    Add diced onion and minced garlic to the skillet and sauté for 2-3 minutes until fragrant.
  3. 3
    Transfer the cooked beef, onion, and garlic to the slow cooker. Stir in crushed tomatoes, diced tomatoes, chicken broth, Italian seasoning, salt, and pepper.
  4. 4
    Cover and cook on low for 5 hours or until flavors are blended. During the last 30 minutes, add broken lasagna noodles and stir well.
  5. 5
    Just before serving, stir in ricotta cheese and half of the mozzarella. Top each bowl with extra mozzarella, Parmesan, and fresh basil.
CLICK FOR NUTRITION INFO

Approximate Information for One Serving

Serving Size: 1 serving
Calories: 410cal
Protein: 27 gg
Fat: 17 gg
Saturated Fat: 0g
Trans Fat: 0g
Cholesterol: 0mg
Sodium: 0mg
Potassium: 0mg
Total Carbs: 38 gg
Fiber: 0g
Sugar: 0g
Net Carbs: 0g
Vitamin A: 0
Vitamin C: 0mg
Calcium: 0mg
Iron: 0mg

Nutrition Disclaimers

Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.

Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.

To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.

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