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Dinner / Slow Cooker Lasagna: The Easiest & Most Delicious Recipe

Slow Cooker Lasagna: The Easiest & Most Delicious Recipe

July 6, 2025 by BriannaDinner

Slow Cooker Lasagna: Imagine coming home after a long day to the comforting aroma of bubbling cheese, rich tomato sauce, and perfectly cooked pasta. Sounds divine, right? Well, with this recipe, that dream can become a reality! Forget spending hours layering and baking; our slow cooker method simplifies the process without sacrificing any of the classic lasagna flavor you crave.

Lasagna, a dish deeply rooted in Italian culinary history, has evolved from its humble beginnings to become a beloved comfort food worldwide. While its exact origins are debated, variations of layered pasta dishes have existed since ancient times. The modern lasagna we know and love, with its layers of pasta, meat sauce, ricotta cheese, and mozzarella, gained popularity in the Emilia-Romagna region of Italy and has since become a staple in Italian-American cuisine.

People adore lasagna for its satisfying combination of textures and flavors. The creamy ricotta, the tangy tomato sauce, the savory meat, and the chewy pasta all come together to create a truly unforgettable culinary experience. But let’s be honest, traditional lasagna can be time-consuming to prepare. That’s where our slow cooker lasagna recipe shines! It offers all the deliciousness of the classic dish with minimal effort, making it perfect for busy weeknights or potlucks. The slow cooker gently simmers the ingredients, allowing the flavors to meld together beautifully, resulting in a lasagna that is incredibly tender and flavorful. Get ready to enjoy a truly comforting and easy meal!

Slow Cooker Lasagna this Recipe

Ingredients:

  • Ground Beef: 1.5 pounds, lean
  • Italian Sausage: 0.5 pound, sweet or hot (your preference!)
  • Onion: 1 medium, chopped
  • Garlic: 4 cloves, minced
  • Canned Crushed Tomatoes: 28 ounces
  • Canned Tomato Sauce: 15 ounces
  • Tomato Paste: 6 ounces
  • Dried Oregano: 2 teaspoons
  • Dried Basil: 2 teaspoons
  • Dried Parsley: 1 teaspoon
  • Salt: 1.5 teaspoons, or to taste
  • Black Pepper: 0.5 teaspoon, or to taste
  • Sugar: 1 teaspoon (balances the acidity of the tomatoes)
  • Ricotta Cheese: 15 ounces, whole milk
  • Egg: 1 large, beaten
  • Grated Parmesan Cheese: 0.5 cup, plus more for topping
  • Fresh Parsley: 2 tablespoons, chopped (for the ricotta mixture)
  • Mozzarella Cheese: 16 ounces, shredded
  • No-Boil Lasagna Noodles: 9-12 noodles, depending on your slow cooker size
  • Water: 0.5 cup (for the bottom of the slow cooker)

Preparing the Meat Sauce:

Okay, let’s get started with the heart of our lasagna – the meat sauce! This is where all the delicious flavors begin to build. Trust me, taking the time to develop a rich sauce is totally worth it.

  1. Brown the Meats: In a large skillet over medium-high heat, brown the ground beef and Italian sausage. Make sure to break them up into smaller pieces as they cook. I like to use a meat chopper for this, but a spatula works just fine too. Cook until the meat is no longer pink.
  2. Drain the Excess Grease: Once the meat is browned, carefully drain off any excess grease. Nobody wants a greasy lasagna! I usually tilt the skillet and use a spoon to scoop out the grease.
  3. Sauté the Aromatics: Add the chopped onion to the skillet with the meat and cook until softened, about 5 minutes. Then, add the minced garlic and cook for another minute until fragrant. Be careful not to burn the garlic!
  4. Add the Tomato Goodness: Pour in the crushed tomatoes, tomato sauce, and tomato paste. Stir well to combine everything.
  5. Season Generously: Add the dried oregano, dried basil, dried parsley, salt, pepper, and sugar. Stir again to make sure all the seasonings are evenly distributed.
  6. Simmer for Flavor: Bring the sauce to a simmer, then reduce the heat to low, cover, and let it simmer for at least 30 minutes, or even longer if you have the time. The longer it simmers, the more the flavors will meld together. I often let mine simmer for an hour or two, stirring occasionally.

Preparing the Ricotta Mixture:

While the meat sauce is simmering away, let’s get the ricotta mixture ready. This adds a creamy, cheesy layer that’s essential to a good lasagna.

  1. Combine the Ingredients: In a medium bowl, combine the ricotta cheese, beaten egg, grated Parmesan cheese, and chopped fresh parsley.
  2. Mix Well: Mix everything together until it’s well combined and smooth. The egg helps to bind the ricotta mixture together, so it doesn’t just ooze out when you cut into the lasagna.
  3. Set Aside: Once the ricotta mixture is ready, set it aside until you’re ready to assemble the lasagna.

Assembling the Slow Cooker Lasagna:

Now for the fun part – putting it all together! This is where the magic happens, and you start to see your lasagna taking shape.

  1. Prepare the Slow Cooker: Lightly grease the bottom of your slow cooker. Then, pour in 1/2 cup of water. This helps to prevent the lasagna from sticking and burning.
  2. First Layer: Sauce: Spread a thin layer of the meat sauce over the bottom of the slow cooker. This will be the foundation for your lasagna.
  3. Second Layer: Noodles: Arrange a layer of no-boil lasagna noodles over the sauce. You may need to break the noodles to fit them into the slow cooker. Try to cover as much of the sauce as possible with the noodles. Don’t worry if there are small gaps; the noodles will soften and expand as they cook.
  4. Third Layer: Ricotta: Spread a layer of the ricotta mixture over the noodles. Use a spoon or spatula to spread it evenly.
  5. Fourth Layer: Mozzarella: Sprinkle a layer of shredded mozzarella cheese over the ricotta mixture.
  6. Repeat Layers: Repeat the layers – sauce, noodles, ricotta mixture, and mozzarella cheese – until you’ve used up all the ingredients. You should have about 3-4 layers, depending on the size of your slow cooker. Make sure the top layer is sauce and mozzarella cheese.
  7. Final Touch: Parmesan: Sprinkle a generous amount of grated Parmesan cheese over the top layer of mozzarella cheese. This will give the lasagna a nice, golden-brown crust.

Slow Cooking the Lasagna:

Almost there! Now it’s time to let the slow cooker do its thing. This is where the flavors really come together, and the lasagna becomes tender and delicious.

  1. Cover and Cook: Cover the slow cooker and cook on low for 6-8 hours, or on high for 3-4 hours. The cooking time will vary depending on your slow cooker, so it’s important to check it periodically.
  2. Check for Doneness: The lasagna is done when the noodles are tender and the cheese is melted and bubbly. You can test the noodles by inserting a fork into the center of the lasagna. If the noodles are easy to pierce, they’re done.
  3. Let it Rest: Once the lasagna is cooked, turn off the slow cooker and let it rest for at least 15-20 minutes before serving. This allows the lasagna to set up a bit, so it’s easier to slice and serve.

Serving and Enjoying:

Finally, the moment we’ve all been waiting for – serving and enjoying our delicious slow cooker lasagna! This is the perfect comfort food for a cozy night in.

  1. Slice and Serve: Carefully slice the lasagna into squares or rectangles. I like to use a large spatula to lift the slices out of the slow cooker.
  2. Garnish (Optional): Garnish with fresh parsley, if desired. This adds a pop of color and freshness.
  3. Serve with Sides: Serve the lasagna with a side salad, garlic bread, or your favorite vegetables.
  4. Enjoy! Dig in and enjoy your homemade slow cooker lasagna! I hope you love it as much as I do.
Tips and Variations:
  • Vegetarian Option: Substitute the ground beef and Italian sausage with vegetables like mushrooms, zucchini, and spinach. Sauté the vegetables before adding them to the sauce.
  • Cheese Variations: Experiment with different types of cheese, such as provolone, fontina, or asiago.
  • Spice it Up: Add a pinch of red pepper flakes to the meat sauce for a little extra heat.
  • Herbs and Spices: Feel free to adjust the herbs and spices to your liking. You can also add other herbs, such as thyme or rosemary.
  • Make Ahead: You can assemble the lasagna ahead of time and store it in the refrigerator for up to 24 hours before cooking. Just add an extra 30 minutes to the cooking time.

Slow Cooker Lasagna

Conclusion:

And there you have it! Our Slow Cooker Lasagna recipe is truly a game-changer. I know, I know, lasagna in a slow cooker might sound a little unconventional, but trust me on this one. The beauty of this method lies in its simplicity and the incredible depth of flavor it unlocks. Imagine coming home after a long day to the comforting aroma of perfectly cooked lasagna, ready to be devoured. No more slaving over a hot stove for hours!

This isn’t just any lasagna; it’s a Slow Cooker Lasagna masterpiece. The slow cooking process allows the flavors to meld together beautifully. The ricotta becomes unbelievably creamy, the sauce intensifies, and the noodles achieve that perfect, tender texture that’s so hard to achieve in a traditional oven-baked lasagna. Plus, it’s incredibly forgiving. You don’t have to worry about burning the bottom or drying out the top. The slow cooker does all the work for you, ensuring a consistently delicious result every single time.

But the best part? It’s endlessly customizable! Feel free to experiment with different cheeses. Try adding some provolone or mozzarella for an extra cheesy kick. For a vegetarian version, swap out the meat for layers of sautéed vegetables like zucchini, spinach, and mushrooms. You could even add a layer of pesto for a burst of fresh, herby flavor.

Serving suggestions? A simple green salad with a light vinaigrette is the perfect accompaniment to cut through the richness of the lasagna. Garlic bread is always a welcome addition, of course, for soaking up all that delicious sauce. And for a truly decadent experience, try topping each slice with a dollop of fresh ricotta and a sprinkle of Parmesan cheese.

Looking for variations? Consider using different types of meat. Ground turkey or Italian sausage would both be fantastic substitutes for ground beef. You could also add a pinch of red pepper flakes to the sauce for a little bit of heat. For a lighter version, use whole wheat lasagna noodles and low-fat ricotta cheese. And if you’re short on time, you can even use no-boil lasagna noodles! Just be sure to add a little extra liquid to the slow cooker to ensure they cook properly.

I’m so confident that you’re going to love this recipe. It’s easy, delicious, and perfect for busy weeknights or weekend gatherings. It’s a crowd-pleaser that’s sure to impress your family and friends.

So, what are you waiting for? Grab your slow cooker, gather your ingredients, and get ready to experience the magic of Slow Cooker Lasagna. I promise you won’t be disappointed.

And most importantly, I want to hear about your experience! Once you’ve tried this recipe, please come back and leave a comment below. Let me know what you thought, what variations you tried, and any tips or tricks you discovered along the way. I can’t wait to see your creations and hear your feedback. Happy cooking! I hope you enjoy this recipe as much as I do. I am sure that this Slow Cooker Lasagna will become a family favorite.


Slow Cooker Lasagna: The Easiest & Most Delicious Recipe

Easy and delicious slow cooker lasagna with layers of rich meat sauce, creamy ricotta, and melted mozzarella. Perfect for a comforting family meal!

Prep Time30 minutes
Cook Time360 minutes
Total Time210 minutes
Category: Dinner
Yield: 6-8 servings
Save This Recipe

Ingredients

  • 5 pounds lean ground beef
  • 0.5 pound sweet or hot Italian sausage (your preference)
  • 1 medium onion, chopped
  • 4 cloves garlic, minced
  • 28 ounces canned crushed tomatoes
  • 15 ounces canned tomato sauce
  • 6 ounces tomato paste
  • 2 teaspoons dried oregano
  • 2 teaspoons dried basil
  • 1 teaspoon dried parsley
  • 1.5 teaspoons salt, or to taste
  • 0.5 teaspoon black pepper, or to taste
  • 1 teaspoon sugar
  • 15 ounces whole milk ricotta cheese
  • 1 large egg, beaten
  • 0.5 cup grated Parmesan cheese, plus more for topping
  • 2 tablespoons chopped fresh parsley (for the ricotta mixture)
  • 16 ounces shredded mozzarella cheese
  • 9-12 no-boil lasagna noodles (depending on your slow cooker size)
  • 0.5 cup water (for the bottom of the slow cooker)

Instructions

  1. Brown the Meats: In a large skillet over medium-high heat, brown the ground beef and Italian sausage. Break them up into smaller pieces as they cook. Cook until the meat is no longer pink.
  2. Drain the Excess Grease: Once the meat is browned, carefully drain off any excess grease.
  3. Sauté the Aromatics: Add the chopped onion to the skillet with the meat and cook until softened, about 5 minutes. Then, add the minced garlic and cook for another minute until fragrant.
  4. Add the Tomato Goodness: Pour in the crushed tomatoes, tomato sauce, and tomato paste. Stir well to combine everything.
  5. Season Generously: Add the dried oregano, dried basil, dried parsley, salt, pepper, and sugar. Stir again to make sure all the seasonings are evenly distributed.
  6. Simmer for Flavor: Bring the sauce to a simmer, then reduce the heat to low, cover, and let it simmer for at least 30 minutes, or even longer if you have the time. Stir occasionally.
  7. Prepare the Ricotta Mixture: In a medium bowl, combine the ricotta cheese, beaten egg, grated Parmesan cheese, and chopped fresh parsley. Mix well until smooth.
  8. Prepare the Slow Cooker: Lightly grease the bottom of your slow cooker. Then, pour in 1/2 cup of water.
  9. Assemble the Lasagna:
    • Spread a thin layer of the meat sauce over the bottom of the slow cooker.
    • Arrange a layer of no-boil lasagna noodles over the sauce, breaking them to fit if needed.
    • Spread a layer of the ricotta mixture over the noodles.
    • Sprinkle a layer of shredded mozzarella cheese over the ricotta mixture.
    • Repeat the layers (sauce, noodles, ricotta mixture, mozzarella cheese) until you’ve used up all the ingredients. The top layer should be sauce and mozzarella cheese.

    Sprinkle a generous amount of grated Parmesan cheese over the top layer.

  10. Slow Cook: Cover the slow cooker and cook on low for 6-8 hours, or on high for 3-4 hours.
  11. Check for Doneness: The lasagna is done when the noodles are tender and the cheese is melted and bubbly.
  12. Let it Rest: Once the lasagna is cooked, turn off the slow cooker and let it rest for at least 15-20 minutes before serving.
  13. Serve: Carefully slice the lasagna into squares or rectangles. Garnish with fresh parsley, if desired. Serve with a side salad, garlic bread, or your favorite vegetables.

Notes

  • Vegetarian Option: Substitute the ground beef and Italian sausage with vegetables like mushrooms, zucchini, and spinach. Sauté the vegetables before adding them to the sauce.
  • Cheese Variations: Experiment with different types of cheese, such as provolone, fontina, or asiago.
  • Spice it Up: Add a pinch of red pepper flakes to the meat sauce for a little extra heat.
  • Herbs and Spices: Feel free to adjust the herbs and spices to your liking. You can also add other herbs, such as thyme or rosemary.
  • Make Ahead: You can assemble the lasagna ahead of time and store it in the refrigerator for up to 24 hours before cooking. Just add an extra 30 minutes to the cooking time.
  • Cooking time will vary depending on your slow cooker, so it’s important to check it periodically.

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