Slow Cooker Lasagna Soup Recipe — Comforting One-Pot Dinner

This is everything you love about classic lasagna, reimagined as an easy, comforting soup that practically makes itself in a slow cooker.

On busy weeknights I rely on the slow cooker—there’s nothing better than coming home to a pot of dinner ready to ladle. This lasagna soup brings the layered flavors you expect: rich tomato, savory Italian-style pork, tender pasta, and melty cheese, but it feels lighter and faster than a baked casserole.

slow cooker lasagna soup recipe.

My Inspiration

Sometimes I want all the flavor of lasagna without the time and fuss of layering and baking. This soup delivers that familiar profile with far less effort and stores well for quick weeknight meals and lunches.

I make a lot of slow-cooker soups; this method builds deep flavor with minimal hands-on time, similar to other favorites like slow-cooked ham-and-bean soups.

sausage and mushrooms in a pan

Ingredients and Supplies

Quantities are listed in the recipe card below. Key components and tools for great results:

  • Italian sausage or ground pork: Browning first develops depth and those tasty browned bits. Use sweet or hot sausage, or mix for a touch of heat.
  • High-quality marinara: The sauce flavors the broth, so pick one you enjoy straight from the jar.
  • Broth and a splash of cream: Chicken broth keeps the base light; heavy cream stirred in at the end creates a silky finish.
  • Lasagna noodles: Break into pieces so you get ruffled edges in each spoonful. Regular noodles work best—no-boil varieties aren’t necessary.
  • Veggies: Mushrooms and spinach add texture and color. Fresh or frozen spinach both work fine.
  • Cheese for serving: Top bowls with shredded mozzarella and grated Parmesan for that lasagna finish.

Gear: A large slow cooker, a skillet for browning, and a sturdy spoon.

slow cooker lasagna soup liquid

Tips and Tricks for Success

Small steps make a big difference:

  • Brown the meat well: Develop real color on the pork or sausage before adding it to the slow cooker—those browned bits add concentrated flavor.
  • Add noodles near the end: Stir broken noodles into the pot toward the end of cooking so they become tender but remain al dente.
  • Finish like lasagna: Stir in cream off the heat, then top bowls with mozzarella and Parmesan so they melt into the hot soup.
  • Season last: Jarred sauces vary in salt and acidity—taste before adding extra salt. A pinch of sugar can tame an overly tangy sauce.
  • Make-ahead trick: For leftovers, store cooked pasta separately and combine when reheating to avoid overly soft noodles.
a bowl of lasagna soup

Step-by-Step Instructions

The full recipe with quantities follows in the recipe card below. Here’s a concise overview:

  1. Build the base: Brown the pork or sausage with spices, then add onion and mushrooms. Transfer browned bits to the slow cooker.
  2. Deglaze: Add chicken broth to the skillet, scrape up browned bits, and pour the broth into the slow cooker with the marinara.
  3. Slow cook: Cook until flavors marry—low for several hours or high for a shorter time.
  4. Add pasta and greens: Stir in broken lasagna noodles and spinach near the end and cook until noodles are al dente.
  5. Finish and serve: Off the heat stir in heavy cream, ladle into bowls, and top with shredded mozzarella and grated Parmesan.
a bowl of lasagna soup, with cheese

Frequently Asked Questions

Common questions and practical answers from testing this recipe:

Can I make this on the stove instead?

Yes. Simmer the sauce, broth, and browned meat in a large pot, then add the noodles and cook until tender. Finish with spinach and cream—this method comes together more quickly.

What kind of noodles can I use?

Broken lasagna sheets give the most authentic texture, but mafalda, farfalle, or broken spaghetti will work. Watch cooking time to avoid overcooking.

How spicy is it?

Adjustable: use hot Italian sausage or add crushed red pepper for heat, or keep it mild with sweet sausage.

Can I swap the greens or add more veggies?

Yes. Kale, zucchini, or bell peppers work well—cut to bite-size so they cook evenly.

a spoonful of slow cooker lasagna soup

Storage and Reheating

This soup stores and reheats easily with one helpful tweak:

  • Fridge: Keep for 3–4 days in an airtight container. If pasta is cooked in the soup it will soften over time—store cooked pasta separately to preserve texture.
  • Reheat: Warm gently on the stove over medium heat, adding a splash of broth if it seems thick. Top with fresh cheese before serving.
  • Freeze: Freeze the sauce base without noodles or dairy for up to 3 months. Thaw and simmer, then add noodles, spinach, and cream before serving.

Final Thoughts

If you love lasagna but want an easier, lighter route to the same flavors, this slow cooker lasagna soup is a winner. It’s weeknight-friendly, customizable, and perfect for busy nights when you still want a comforting, crowd-pleasing meal.

Slow Cooker Lasagna Soup

Prep 20 mins
Cook 4 hrs
Total 4 hrs 20 mins
Servings 4
Author Krissy Allori
Enjoy all the comfort of lasagna in this light and easy to make sausage, mushroom, and spinach slow cooker lasagna soup topped with melted mozzarella.

Ingredients

  • 1 pound ground pork
  • 1 tablespoon paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon kosher salt
  • 1/2 teaspoon fennel seed
  • 1/4 teaspoon red pepper flakes
  • 1 red onion, diced
  • 8 ounces mushrooms, sliced
  • 4 cups chicken broth
  • 23 ounces marinara sauce (approx.)
  • 1 cup fresh spinach (about one large handful)
  • 4 lasagna noodles, broken into pieces
  • 1/2 cup heavy cream

Top with:

  • Freshly grated mozzarella and minced basil or parsley

Instructions

  1. In a large sauté pan, brown the ground pork with paprika, garlic powder, kosher salt, fennel seed, and red pepper flakes over medium-high heat. When it starts to brown, add the diced red onion and cook several minutes. Add sliced mushrooms and cook until browned. Transfer the mixture to the slow cooker.
  2. Add the chicken broth to the sauté pan, heat on high to loosen browned bits, then transfer the broth to the slow cooker.
  3. Stir in the marinara sauce. Cook on low for 7–8 hours or on high for 1–3 hours, until flavors are well combined.
  4. Minutes before serving, add the fresh spinach, broken lasagna noodles, and heavy cream. Cook until the noodles are al dente and the spinach is wilted.
  5. Off the heat, stir gently and ladle into bowls. Top with freshly grated mozzarella and minced herbs.

Notes

  • Brown the meat well: Browning adds depth of flavor from the caramelized bits.
  • Add noodles later: Add broken noodles toward the end so they remain tender and not mushy.
  • Finish like lasagna: Stir in cream off the heat and top bowls with cheese so it melts on contact.
  • Season at the end: Taste before adding salt. A pinch of sugar can help if the sauce is too tangy.
  • Make-ahead: Store pasta separately for leftovers and combine when reheating to keep texture.

Nutrition

Calories: 590 kcal, Carbohydrates: 38 g, Protein: 30 g, Fat: 37 g, Saturated Fat: 16 g, Sodium: 2313 mg. Nutrition information is an approximation.