Crock Pot Lasagna Soup: All the Comfort, None of the Layering

Crock Pot Lasagna Soup takes everything you love about a bubbling pan of lasagna and turns it into a rich, hands-off soup. The slow cooker does the heavy lifting, so you come home to a deep, tomato-packed broth with tender noodles and savory meat.

That spoonful of lemony ricotta on top melts into each bowl like the cheese layer in a classic baked pasta. It’s a weeknight soup that tastes slow-simmered, even though you barely lifted a finger.

What Makes This Soup a Family Favorite

The flavors hit all the right notes: savory meat, garlicky tomato broth, and broken lasagna noodles that soak up just enough liquid. Because it’s made in a crock pot, you get that long-cooked taste without standing over a stove.

The ricotta topping cools each bite and gives the soup the same creamy richness as a layered lasagna, minus the fuss. I keep coming back to this recipe because it’s so forgiving—brown the beef, dump everything in, and let the pot work its magic.

Ingredients

• 1 lb ground beef: 80/20 keeps it rich without being greasy; half sausage works beautifully.
• 1 medium yellow onion, diced
• 4 garlic cloves, minced
• 2 tbsp tomato paste
• 1 (28 oz) can crushed tomatoes
• 4 cups low-sodium chicken or beef broth
• 1 tsp dried Italian seasoning
• 1/2 tsp salt, plus more to taste
• 1/4 tsp black pepper
• 8 oz regular lasagna noodles, broken into 2-inch pieces: avoid no-boil noodles here.
• 1 cup whole-milk ricotta: part-skim works but full-fat is creamier.
• 1/2 cup freshly grated Parmesan cheese
• 1/2 tsp lemon zest
• Salt and pepper: for the ricotta.
• 1/2 cup shredded mozzarella
• Chopped fresh basil or parsley

Variations / Substitutions

• Swap the protein: ground turkey or Italian sausage both work, just drain off excess fat after browning.
• Go gluten-free: use your favorite gluten-free lasagna noodles and check your broth label.
• Dairy-free option: skip the ricotta topping, or use a thick coconut yogurt mixed with nutritional yeast for a savory finish.
• Add heat: stir in 1/2 tsp red pepper flakes with the garlic.

For another cozy slow cooker soup, try our Minestrone Soup.

How to Make Crock Pot Lasagna Soup

Step 1: Brown the Beef and Onion

Set a large skillet over medium-high heat and add 1 lb ground beef and the diced onion. Break up the meat with a wooden spoon and cook until the beef is browned and the onion is soft, about 8 minutes. Stir in the 4 minced garlic cloves and 2 tbsp tomato paste, cooking 1 minute more until the paste darkens and smells sweet.

If there’s a lot of grease in the pan, spoon off all but about a tablespoon. That little bit of fat helps toast the tomato paste, which deepens the soup’s color and flavor. You’ll know it’s ready when the paste turns brick-red and the kitchen smells almost like roasted tomatoes. Transfer everything to the crock pot.

Step 2: Deglaze and Build the Broth

Pour a splash of the 4 cups broth into the hot skillet and scrape up every bit of browned goodness from the bottom. Pour that, along with the rest of the broth, the 28 oz can of crushed tomatoes, 1 tsp Italian seasoning, 1/2 tsp salt, and 1/4 tsp pepper, into the crock pot. Stir everything together.

At this point the soup will look thin, but don’t worry. The long, slow simmer reduces the liquid just enough while the flavors concentrate. Taste at this stage and adjust the salt—it needs to be well-seasoned before the noodles absorb so much of it.

Step 3: Slow Cook the Soup

Cover and cook on HIGH for 3 to 4 hours or LOW for 6 to 7 hours. The soup is ready when the broth is a deep red and the whole kitchen smells like a simmering meat sauce.

Try not to lift the lid too often; every peek adds roughly 15 minutes to the cook time. The gentle heat breaks down the tomatoes and melds the flavors into something rounder and richer than any quick stovetop soup.

Step 4: Stir in the Noodles

About 30 minutes before you plan to eat, switch the slow cooker to HIGH if it isn’t already. Stir in the 8 oz broken lasagna noodles, cover, and cook until the noodles are tender but still have a little bite, 20 to 25 minutes. Give the soup a stir every 10 minutes to keep the noodles from clumping or sticking to the bottom.

The noodles will soak up some liquid as they cook, which naturally thickens the soup to a consistency that’s more stew-like than brothy—exactly what you want. If it gets a touch too thick before the noodles are done, splash in a little extra broth and stir.

Step 5: Ladle and Finish with the Ricotta

While the noodles finish, stir together 1 cup ricotta, 1/2 cup Parmesan, 1/2 tsp lemon zest, and a pinch each of salt and pepper in a small bowl. Taste and adjust so it’s bright and savory. When the soup is ready, ladle it into bowls, top each with a generous spoonful of the ricotta mixture, and sprinkle on the shredded mozzarella. Finish with a scatter of fresh basil or parsley.

The ricotta will slowly melt into the hot soup, creating a creamy swirl in every spoonful. Serve it right away with crusty bread and the bowls will empty fast.

Tips for the Best Slow Cooker Lasagna Soup

• Use regular lasagna noodles, not no-boil ones. They hold up way better and don’t disintegrate into mush.
• Toss a Parmesan rind into the crock pot for an extra layer of savory depth—just fish it out before adding the noodles.
• Before the noodles go in, smash a few tomato pieces against the side of the crock with a spoon to thicken the broth naturally.
• Stir the ricotta topping together up to a day in advance. The lemon brightens as it sits, and the texture improves.

Here’s a quick guide to cook times for your slow cooker:

Storing Leftovers

• Refrigerate: If you can, store the soup base and noodles separately for up to 4 days; if they’re already combined, the noodles will soften but still taste great. The ricotta topping keeps in its own container for 3 days.
• Reheating: Warm the soup gently on the stove with a splash of broth. Add a fresh dollop of ricotta after reheating.

What to Serve with Crock Pot Lasagna Soup

Garlic bread is the obvious win, and for good reason—the crisp, buttery edges are perfect for soaking up the last bits of broth. A simple arugula salad with lemon vinaigrette cuts through the richness and brings a little freshness to the table.

Frequently Asked Questions

Do I really need to brown the meat first?

No, but it builds a deeper flavor that makes the soup taste braised rather than boiled. If you’re short on time, you can crumble raw beef straight into the crock pot and break it up with a spoon halfway through cooking, but the broth will be lighter.

Why did my noodles turn to mush?

They were either added too early or left in the pot too long. Stir them into the hot soup during the last 20 to 25 minutes of cooking, check for doneness at the early end of that window, and stir now and then.

Can I make this in an Instant Pot?

Yes. Use the sauté setting to brown the meat, onion, garlic, and tomato paste. Add the broth and tomatoes, then pressure cook on high for 5 minutes. Quick release, switch to sauté, and stir in the noodles, cooking until tender, about 5 to 7 minutes.

Crock Pot Lasagna Soup Recipe

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Prep Time 15 minutes mins

Cook Time 4 hours hrs

Total Time 4 hours hrs 15 minutes mins

Servings: 6 servings

Calories: 470

Ingredients Method Notes

Ingredients

  

• 1 lb ground beef
• 1 medium yellow onion, diced
• 4 garlic cloves, minced
• 2 tbsp tomato paste
• 1 (28 oz) can crushed tomatoes
• 4 cups low-sodium chicken or beef broth
• 1 tsp dried Italian seasoning
• 1/2 tsp salt
• 1/4 tsp black pepper
• 8 oz regular lasagna noodles, broken into 2-inch pieces
• 1 cup whole-milk ricotta
• 1/2 cup freshly grated Parmesan cheese
• 1/2 tsp lemon zest
• Salt and pepper, for the ricotta
• 1/2 cup shredded mozzarella
• Chopped fresh basil or parsley

Method

 

1. In a skillet over medium-high heat, brown the beef and onion, breaking up the meat, about 8 minutes. Drain excess fat if needed, then stir in the garlic and tomato paste and cook 1 minute. Transfer to a slow cooker.
2. Pour a splash of broth into the skillet and scrape up any browned bits. Pour everything, along with the remaining broth, crushed tomatoes, Italian seasoning, salt, and pepper, into the slow cooker. Stir well.
3. Cover and cook on HIGH for 3 to 4 hours or on LOW for 6 to 7 hours.
4. About 30 minutes before serving, stir in the broken noodles, cover, and cook on HIGH until tender, 20 to 25 minutes, stirring every 10 minutes.
5. While the noodles cook, combine the ricotta, Parmesan, lemon zest, and a pinch of salt and pepper in a small bowl.
6. Ladle the soup into bowls, top each with a spoonful of the ricotta mixture, a sprinkle of mozzarella, and fresh herbs. Serve right away.

Notes

If you prefer a thinner soup, stir in an extra 1/2 cup of warm broth just before serving. Leftover soup thickens as it sits, so reheat it with a splash of liquid. Use regular lasagna noodles instead of no-boil varieties for the best texture.