Easy Slow Cooker Lasagna Soup Recipe for Busy Nights

If you love the flavors of lasagna but want a simpler, hands-off way to enjoy them, slow cooker lasagna soup is a great choice.

This cozy recipe brings together everything you love about classic lasagna—savory beef, rich tomato sauce, tender pasta, and melted cheese—in a warm, comforting bowl.

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Here’s why this recipe works so well…

Instead of layering noodles and baking a full casserole, the slow cooker gently simmers everything together so the flavors develop slowly while you go about your day.

And that’s the best part…

You get all the comforting Italian flavors of lasagna in a hearty soup that’s much easier to prepare.

If you love easy set-it-and-forget-it meals like this, be sure to explore my full collection of Crock Pot Recipes for more simple slow cooker dinners.

If you enjoy rich, comforting slow cooker dinners, you might also love my Slow Cooker Beef Stroganoff, another hearty meal perfect for cozy nights.

Let’s break down how to make it step by step.

Why You’ll Love Slow Cooker Lasagna Soup

You’ll need specific ingredients and a clear process to make this soup. The recipe includes ground meat, noodles, cheeses, and a flavorful tomato base.

Small steps like layering ingredients and serving tips can help bring out the best taste and texture.

Ingredients for Lasagna Soup

• 1 lb (450 g) ground beef or Italian sausage
• 1 small onion, diced
• 3 cloves garlic, minced
• 1 jar (24 oz / 680 g) marinara or pasta sauce
• 1 can (15 oz / 425 g) tomato sauce
• Salt and pepper to taste
• 1 teaspoon dried basil
• 1 teaspoon dried oregano
• 9–12 uncooked lasagna noodles (regular, not oven-ready)
• 15 oz (425 g) ricotta cheese
• 2 cups shredded mozzarella cheese
• ½ cup grated Parmesan cheese
• 1 large egg
• Fresh parsley or basil for garnish (optional)

To make this recipe, you’ll want a 6-quart slow cooker and I also recommend using slow cooker liners for easy cleanup.

How to Make Slow Cooker Lasagna Soup

Brown the ground beef or sausage in a skillet over medium heat, breaking it apart as it cooks. Add the diced onion and minced garlic; cook until softened.

Drain excess fat. Stir in marinara sauce, tomato sauce, basil, oregano, salt, and pepper. Let it simmer for a few minutes.

In a medium bowl, mix ricotta cheese, egg, half of the mozzarella, and half of the Parmesan until combined.

Spread a thin layer of meat sauce on the bottom of the slow cooker. Break lasagna noodles to fit and arrange a single layer over the sauce.

Spread a layer of the ricotta mixture over the noodles, then add more meat sauce. Repeat the layers until all ingredients are used, finishing with sauce and the remaining mozzarella and Parmesan on top.

Cover and cook on low for 4–6 hours or until the noodles are tender. Turn off the heat and let it rest for about 15 minutes before serving. Garnish with fresh parsley or basil if desired.

If you enjoy Italian-inspired comfort food like this, be sure to try my Slow Cooker Italian Meatball Soup next.

Slow Cooker Tips

Use broken lasagna noodles or wide pasta to keep the right texture. Whole noodles take too long and can get mushy. Adding cheese at the end keeps it creamy and fresh.

Don’t overcook the soup. The noodles should be tender but not falling apart. If it looks too thick, add a little extra broth to adjust consistency.

For another warm, cozy slow cooker dinner, my Slow Cooker Salmon Chowder is another reader favorite.

Storage and Serving Suggestions

Best Dishes to Pair With

Slow cooker lasagna soup pairs well with simple sides that balance its rich, tomato-based broth and cheesy topping.

Serve it with warm garlic bread, toasted baguette slices, or a crusty Italian loaf for dipping.

A light green salad with a lemon vinaigrette or classic Caesar salad adds freshness and helps balance the hearty flavors.

For extra garnish, sprinkle bowls with fresh basil, parsley, grated Parmesan, or a pinch of red pepper flakes before serving.

Creative Leftover Ideas

Leftover lasagna soup thickens as the noodles absorb the broth, which makes it perfect for transforming into another meal.

Add a splash of broth and reheat for another bowl of soup, or spoon the thickened mixture into a baking dish, top with mozzarella, and bake for a quick lasagna-style casserole.

You can also serve leftovers over cooked pasta or rice for an easy next-day dinner.

How to Store and Reheat Leftovers

Allow the soup to cool before transferring it to airtight containers. Store in the refrigerator for up to 3–4 days or freeze for up to 3 months.

When reheating, warm the soup gently on the stovetop or in the microwave, adding a little broth or water if the noodles have absorbed too much liquid.

If you enjoy hearty soups like this, you’ll also want to try my Classic Manhattan Clam Chowder for another comforting bowl.

This recipe also fits perfectly into my Fall Crockpot Recipes collection of warm, comforting slow cooker meals.

For even more slow cooker inspiration, explore all of my Crock Pot Recipes organized by ingredient, season, and occasion.

Follow my Slow Cooker recipes board on PInterest.