Slow Cooker Lasagna Soup

If you love classic lasagna but don’t love all the work that comes with it, this Slow Cooker Lasagna Soup is going to be a new favorite!

It has tender lasagna noodles, savory ground beef, rich tomato broth, and plenty of creamy, melted cheese.

Everything comes together in your slow cooker for a warm, hearty meal that’s perfect for busy weeknights or cozy weekends.

Cheesy Slow Cooker Lasagna Soup Classic Comfort in a Bowl

Why I Love This Recipe

I still remember the first time I made lasagna soup. I was craving a big, cheesy slice of homemade lasagna, but I didn’t feel like dealing with all those layers, baking dishes, and extra cleanup.

So I decided to turn those same flavors into soup.

I browned some ground beef, added tomatoes, garlic, onion, and Italian herbs to my slow cooker, and let everything simmer together. By dinner, the whole kitchen smelled like homemade Italian comfort food.

Once I added the broken lasagna noodles and spooned creamy ricotta on top, I knew this recipe was a keeper.

Here’s why I love making it:

It tastes like real lasagna. You still get the rich tomato sauce, savory beef, tender pasta, and creamy cheese.
The slow cooker does most of the work. After a little prep, you can leave the soup to cook.
It uses simple ingredients. Most of what you need may already be in your pantry.
There’s no layering. Just add everything in the right order and let it cook.
It’s easy to customize. You can change the meat, pasta, vegetables, or cheese.
It makes great leftovers. The tomato and herb flavors taste even richer the next day.

My favorite part is adding a big spoonful of ricotta cheese right before eating. As it melts into the hot soup, it makes every bite taste extra creamy.

What You’ll Need

Recipe Details

Servings: 6
Prep Time: 15 minutes
Cook Time: About 6 hours 20–30 minutes on LOW or 3 hours 20–30 minutes on HIGH
Total Time: About 6 hours 45 minutes on LOW
Slow Cooker Size: 6 quarts
Difficulty: Easy

For the Lasagna Soup

1 pound (450 g) ground beef, preferably 85% lean
1 medium onion, finely diced
4 garlic cloves, minced
1 can (28 ounces) crushed tomatoes
1 can (14.5 ounces) diced tomatoes, with juices
1 can (6 ounces) tomato paste
4 cups low-sodium beef broth
1 cup water
2 teaspoons Italian seasoning
1 teaspoon dried basil
1 teaspoon salt, or to taste
½ teaspoon ground black pepper
¼ teaspoon crushed red pepper flakes (optional)
8 ounces dry lasagna noodles, broken into bite-sized pieces

For the Cheese Topping

1 cup whole-milk ricotta cheese
1½ cups shredded mozzarella cheese, divided
½ cup freshly grated Parmesan cheese, divided
2 tablespoons fresh basil, finely chopped

Tools You Need

6-quart black oval crockpot: For slow cooking the soup.
Large stainless steel skillet: For browning the ground beef.
Wooden spoon: For stirring the beef and soup.
Chef’s knife: For chopping the onion, garlic, and fresh basil.
Cutting board: For preparing the vegetables.
Measuring cups: For the broth, water, and cheese.
Measuring spoons: For the seasonings.
Can opener: For opening the canned tomatoes and tomato paste.
Small mixing bowl: For preparing the cheese topping.
Ladle: For serving the soup.
Round soup bowls: For serving.

How to Make Slow Cooker Lasagna Soup

Step 1: Brown the Ground Beef

Place 1 pound of ground beef in a large stainless steel skillet over medium heat.

Break the meat into small crumbles with a wooden spoon and cook until browned.

Add 1 medium finely diced onion and cook until soft. Stir in 4 minced garlic cloves and cook until fragrant.

Drain the extra grease so the soup doesn’t become oily.

Step 2: Transfer the Beef to the Slow Cooker

Spoon the cooked ground beef, softened onion, and minced garlic into your 6-quart black oval crockpot.

Spread the mixture across the bottom with a wooden spoon.

Make sure the meat is evenly distributed so it mixes well with the tomatoes and broth.

Step 3: Add the Tomatoes and Broth

Pour the following ingredients over the cooked beef mixture:

28 ounces crushed tomatoes
14.5 ounces diced tomatoes with juices
6 ounces tomato paste
4 cups low-sodium beef broth
1 cup water

Use a wooden spoon to stir everything together until the tomato paste blends into the liquid.

The mixture should look like a rich, slightly thin tomato soup.

Step 4: Add the Seasonings

Sprinkle in:

2 teaspoons Italian seasoning
1 teaspoon dried basil
1 teaspoon salt
½ teaspoon ground black pepper
¼ teaspoon crushed red pepper flakes, if using

Stir well to spread the herbs and spices throughout the soup.

If you prefer a mild soup, leave out the red pepper flakes.

Step 5: Slow Cook the Soup

Cover the crockpot with its lid.

Cook on LOW for 6 hours or HIGH for 3 hours, until the beef and tomato broth are rich and flavorful.

Keep the lid closed while the soup cooks.

Do not add the lasagna noodles yet. They cook near the end so they stay tender instead of mushy.

Step 6: Add the Lasagna Noodles

Break 8 ounces of dry lasagna noodles into small, bite-sized pieces.

Remove the crockpot lid and stir the noodles into the hot tomato broth.

Push the pasta below the liquid so it cooks evenly.

Turn the slow cooker to HIGH and cook for 20–30 minutes, checking until the noodles are tender.

If the soup becomes too thick, add a small splash of hot water or extra broth.

Step 7: Make the Cheese Topping

While the noodles cook, add these ingredients to a small mixing bowl:

1 cup whole-milk ricotta cheese
½ cup shredded mozzarella cheese
¼ cup freshly grated Parmesan cheese

Stir gently until the cheese mixture is creamy and well combined.

Save the remaining 1 cup mozzarella and ¼ cup Parmesan for topping the finished soup.

Step 8: Check the Noodles and Stir the Soup

Once the pasta is tender, give the soup a gentle stir.

The 8 ounces of lasagna noodles should be soft but still hold their shape.

Taste the broth and adjust the salt or black pepper if needed.

If the soup looks too thick, stir in a little hot broth or water until it reaches the texture you like.

Step 9: Serve with Cheese and Fresh Basil

Ladle the hot soup evenly into 6 round soup bowls.

Add a generous spoonful of the prepared ricotta mixture to each bowl.

Divide the remaining 1 cup shredded mozzarella and ¼ cup grated Parmesan between the bowls.

Finish with the 2 tablespoons finely chopped fresh basil, divided evenly.

Let the cheese soften into the hot soup, then enjoy!

Pro Tips

Brown the beef first. This adds a deeper, richer flavor and keeps the soup from becoming greasy.
Add noodles near the end. Lasagna noodles cook quickly in hot broth. Adding them too early makes them mushy.
Use freshly shredded cheese. It melts more smoothly than some packaged shredded cheeses.
Keep extra broth nearby. The pasta absorbs liquid as it sits, so you may need to thin the soup before serving.
Add the ricotta topping to each bowl. This keeps the cheese creamy and gives every serving that classic lasagna flavor.

Why This Recipe Works (Quick Science)

This soup tastes so good because of a few simple cooking tricks.

Browning the beef adds flavor. When ground beef cooks in a hot skillet, its surface turns brown and creates deep, savory flavors. This is called the Maillard reaction.
Slow cooking blends everything together. The tomatoes, onion, garlic, beef, and herbs have time to mix and develop a rich taste.
Tomato paste makes the broth richer. Tomato paste is concentrated, which means it adds more tomato flavor without needing extra liquid.
Pasta helps thicken the soup. As lasagna noodles cook, they absorb broth and release a little starch, giving the soup more body.
Ricotta makes it creamy. Ricotta adds a smooth, soft texture, while mozzarella creates that wonderful cheesy stretch.
Fresh basil balances the flavor. A little basil at the end adds a fresh taste that works perfectly with the rich tomato broth.

The biggest trick is cooking the tomato and beef base first, then adding the noodles right before serving.

Common Mistakes

Adding the Noodles Too Early

If you add the lasagna noodles at the beginning, they can turn soft and fall apart.

Fix: Add the pasta only during the final 20–30 minutes on HIGH.

Not Draining the Beef

Too much grease from the ground beef can make the soup oily.

Fix: Drain the extra fat before adding the beef to the crockpot.

Using Too Little Liquid

Lasagna noodles soak up a lot of broth while they cook.

Fix: Use the full 4 cups beef broth and 1 cup water. Add more liquid if the soup becomes too thick.

Overcooking the Pasta

Even after the slow cooker stops cooking, the hot soup can continue to soften the noodles.

Fix: Serve the soup once the pasta is tender.

Adding All the Cheese Directly to the Crockpot

Adding the cheese too early can make it clump or turn the soup overly thick.

Fix: Keep the cheese mixture separate and add it to each bowl when serving.

Substitutions and Variations

You can easily change this recipe based on what you have in your kitchen.

Ground turkey: Replace the beef with 1 pound ground turkey for a lighter option.
Italian sausage: Use 1 pound mild or spicy Italian sausage for a bolder flavor.
Ground chicken: A good choice if you want a different protein.
Vegetarian version: Skip the beef and add mushrooms, zucchini, or cooked lentils. Use vegetable broth instead of beef broth.
Different pasta: Try rotini, bow ties, or mafaldine noodles.
More vegetables: Add chopped spinach, mushrooms, or zucchini to the soup.
Spicy lasagna soup: Add more crushed red pepper flakes or a pinch of cayenne pepper.
Extra creamy soup: Stir a little heavy cream into individual bowls before serving.
Gluten-free version: Use gluten-free lasagna noodles and check their cooking time carefully.
Dairy-free version: Use dairy-free mozzarella and ricotta alternatives, or leave the cheese topping off.

What to Serve With

This soup is hearty enough to enjoy on its own, but a simple side dish makes the meal even better.

Garlic bread: Warm, buttery garlic bread is perfect for dipping into the tomato broth.
Caesar salad: A crisp Caesar salad adds freshness and crunch.
Soft breadsticks: Serve warm breadsticks for soaking up every last spoonful.
Roasted broccoli: Garlic-roasted broccoli adds a simple vegetable side.
Green salad: Toss lettuce, cucumber, and tomatoes with a simple dressing.
Toasted baguette: A few slices of toasted bread make a quick and tasty side.
Roasted vegetables: Zucchini, carrots, or bell peppers go well with the rich soup.

My favorite combination is a big bowl of lasagna soup with warm garlic bread and a simple green salad.

Make-Ahead Tips

This recipe is great for prepping ahead, especially when you know you’ll have a busy day.

Brown the beef ahead of time. Cook the ground beef with the onion and garlic, then store it in an airtight container in the refrigerator for up to 2 days.
Measure the seasonings early. Combine the Italian seasoning, dried basil, salt, black pepper, and red pepper flakes in a small container.
Prepare the cheese mixture. Mix the ricotta, mozzarella, and Parmesan, then refrigerate in a covered container for up to 2 days.
Make the soup base ahead. Cook everything except the noodles and cheese. Refrigerate the cooled soup base, then reheat until hot before adding the pasta.
Keep the pasta separate. If you’re preparing the soup for another day, cooking the pasta fresh gives the best texture.

Leftovers and Storage

Lasagna soup tastes wonderful the next day, but the noodles will continue soaking up liquid as it sits.

Refrigerator

Let the soup cool slightly before storing.
Transfer it to airtight containers within 2 hours of cooking.
Refrigerate for 3–4 days.
Store extra cheese topping separately.

Freezer

For the best results, freeze the soup without the noodles or cheese topping.

Cool the soup base completely.
Transfer it to freezer-safe containers.
Freeze for up to 3 months for best quality.
Thaw overnight in the refrigerator before reheating.
Add freshly cooked pasta and cheese when serving.

You can freeze soup that already contains noodles, but the pasta may become softer after thawing.

Reheating

Stovetop: Add the soup to a saucepan with a splash of beef broth or water. Heat over medium-low heat, stirring occasionally, until hot throughout.

Microwave: Place a portion in a microwave-safe bowl, cover loosely, and heat in short intervals, stirring between each one.

For food safety, reheat leftovers to 165°F (74°C).

Add fresh cheese after reheating for the best texture.

Macros Information

Estimated nutrition per serving, based on 6 servings, including the cheese topping:

Nutrient	Amount
Calories	600 kcal
Protein	43 g
Carbohydrates	54 g
Fat	24 g
Saturated Fat	12 g
Fiber	6 g
Sugar	13 g
Sodium	1,250 mg

Note: These nutrition values are estimates. Actual amounts depend on the brands of tomatoes, broth, pasta, meat, and cheese you use, as well as how much fat you drain from the beef.

FAQ

Q: Can I add raw ground beef directly to the slow cooker?

A: I recommend browning the beef first. It improves the flavor, gives the meat a better texture, and lets you drain off excess grease.

Q: Can I use a different type of pasta?

A: Yes! Rotini, bow ties, or other short pasta shapes work well. Just check the pasta as it cooks because different shapes may need different cooking times.

Q: Why is my lasagna soup so thick?

A: Lasagna noodles absorb broth as they cook and sit in the soup. Stir in a little hot beef broth or water until you get the texture you want.

Q: Can I make lasagna soup without ricotta cheese?

A: Absolutely! You can use cottage cheese instead, or simply top the soup with mozzarella and Parmesan.

Q: Can I cook the lasagna noodles separately?

A: Yes. Cook the noodles according to the package directions, then add them to individual bowls before pouring the hot soup over them. This is especially helpful if you plan to have leftovers.

Q: Can I make this soup vegetarian?

A: Yes! Replace the ground beef with mushrooms, lentils, or a plant-based meat alternative. Use vegetable broth instead of beef broth.

Q: Can I use frozen ground beef?

A: Thaw the ground beef safely in the refrigerator first. Then brown it in a skillet before adding it to the slow cooker.

Q: Can I leave the soup on WARM after the noodles are cooked?

A: You can keep it warm briefly, but the noodles will continue soaking up liquid and may become too soft. For the best results, serve it soon after the pasta is tender.

Q: What size slow cooker works best?

A: A 6-quart slow cooker works well for this recipe. It has enough room for the broth, ground beef, tomatoes, and pasta.

Q: Can I double this recipe?

A: Yes, but you’ll need a larger slow cooker or two separate slow cookers. Don’t fill a slow cooker above its recommended maximum fill line.

Q: How do I know when the lasagna noodles are done?

A: Take out a small piece and taste it. The noodle should be tender all the way through but still hold its shape.

Q: Can I freeze leftover lasagna soup?

A: Yes, but it freezes best without the noodles and cheese. Freeze the soup base, then add fresh pasta and cheese after reheating.

Final Thoughts

Slow Cooker Lasagna Soup is everything I love about homemade lasagna, just in a much easier form. It’s rich, cheesy, filling, and packed with comforting Italian flavors.

I especially love how the slow cooker does most of the work. With a little prep and a few simple ingredients, you can make a big pot of delicious soup without spending hours in the kitchen.

The tender lasagna noodles, savory beef, rich tomato broth, and creamy ricotta topping make every spoonful feel like a little bowl of comfort.

Serve it with warm garlic bread, sprinkle on some fresh basil, and you’ve got a meal worth making again and again.

If you try this Slow Cooker Lasagna Soup, leave a comment below and let me know how it turned out! I’d love to hear what you think, what toppings you added, and whether you made any changes to the recipe. And if you have any questions, feel free to share them in the comments.

Happy cooking!