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Dinner / Slow Cooker Meatball Casserole: Easy Recipe for a Delicious Dinner

Slow Cooker Meatball Casserole: Easy Recipe for a Delicious Dinner

June 12, 2025 by ChloeDinner

Slow Cooker Meatball Casserole: Prepare to be amazed by the easiest, most comforting dinner you’ll make all week! Imagine tender, juicy meatballs nestled in a rich, flavorful tomato sauce, all blanketing a bed of perfectly cooked pasta and topped with bubbly, melted cheese. This isn’t just a meal; it’s a warm hug on a plate, and the best part? Your slow cooker does almost all the work!

Casseroles, in general, have a long and storied history as a budget-friendly and convenient way to feed families. They represent resourcefulness and the joy of bringing people together around a shared dish. While the exact origins of meatball casserole are harder to pinpoint, it’s clear that this dish draws inspiration from classic Italian-American comfort food, adapting it for the modern, busy lifestyle.

People adore Slow Cooker Meatball Casserole for so many reasons. The taste is undeniably delicious – the savory meatballs, the tangy tomato sauce, and the creamy cheese create a symphony of flavors that’s simply irresistible. The texture is equally appealing, with the soft pasta, tender meatballs, and gooey cheese providing a delightful contrast. But perhaps the biggest draw is the convenience. With minimal prep time and the magic of the slow cooker, you can have a hearty, satisfying meal ready and waiting for you at the end of a long day. It’s the perfect solution for busy weeknights or when you simply crave a comforting, home-cooked meal without spending hours in the kitchen. So, let’s get started and create this family favorite!

Slow Cooker Meatball Casserole this Recipe

Ingredients:

  • 1 pound ground beef
  • 1 pound ground Italian sausage
  • 1 cup bread crumbs
  • 1/2 cup grated Parmesan cheese
  • 1/4 cup chopped fresh parsley
  • 2 cloves garlic, minced
  • 1 egg, lightly beaten
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 2 (24 ounce) jars marinara sauce
  • 1 (15 ounce) container ricotta cheese
  • 1/2 cup grated Parmesan cheese
  • 1 egg, lightly beaten
  • 1/4 cup chopped fresh parsley
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 pound mozzarella cheese, shredded
  • 1 pound pasta (penne, rigatoni, or your favorite), cooked al dente

Making the Meatballs:

  1. In a large bowl, combine the ground beef, ground Italian sausage, bread crumbs, 1/2 cup Parmesan cheese, 1/4 cup parsley, minced garlic, 1 egg, Italian seasoning, salt, and pepper.
  2. Gently mix all ingredients together with your hands until just combined. Be careful not to overmix, as this can result in tough meatballs.
  3. Roll the mixture into 1-inch meatballs. I like to use a small cookie scoop to ensure they are all uniform in size. This helps them cook evenly.
  4. Browning the meatballs is optional, but highly recommended for added flavor and texture. You can do this in a skillet over medium-high heat with a little olive oil. Brown the meatballs on all sides until they are nicely seared. You don’t need to cook them all the way through at this point, just get a good color on them. If you’re short on time, you can skip this step and add the raw meatballs directly to the slow cooker.

Preparing the Ricotta Mixture:

  1. In a medium bowl, combine the ricotta cheese, 1/2 cup Parmesan cheese, 1 egg, 1/4 cup parsley, salt, and pepper.
  2. Mix well until all ingredients are thoroughly combined. This ricotta mixture will add a creamy and delicious layer to the casserole.

Assembling the Casserole in the Slow Cooker:

  1. Lightly grease the inside of your slow cooker with cooking spray. This will prevent the casserole from sticking and make cleanup easier.
  2. Pour one jar of marinara sauce into the bottom of the slow cooker, spreading it evenly. This will create a flavorful base for the casserole.
  3. Arrange half of the cooked pasta over the marinara sauce. Try to spread it out evenly so that each bite has a good balance of pasta and sauce.
  4. Place half of the meatballs over the pasta. If you browned the meatballs, they should be nicely seared. If you didn’t brown them, that’s perfectly fine too!
  5. Spoon half of the ricotta mixture over the meatballs. Try to distribute it evenly so that each meatball is covered with a dollop of ricotta goodness.
  6. Sprinkle half of the mozzarella cheese over the ricotta mixture. This will create a cheesy and gooey layer that everyone will love.
  7. Pour the remaining jar of marinara sauce over the mozzarella cheese.
  8. Add the remaining pasta, meatballs, ricotta mixture, and mozzarella cheese in layers, repeating the process from steps 3-6.
  9. Make sure the top layer is a generous layer of mozzarella cheese. This will create a beautiful, bubbly, and golden-brown topping.

Slow Cooking the Casserole:

  1. Cover the slow cooker and cook on low for 6-8 hours, or on high for 3-4 hours. The cooking time may vary depending on your slow cooker, so it’s important to check for doneness.
  2. The casserole is done when the cheese is melted and bubbly, the sauce is heated through, and the meatballs are cooked through. You can check the internal temperature of a meatball with a meat thermometer to ensure it reaches 160°F (71°C).
  3. For the last 30 minutes of cooking, you can remove the lid to allow the cheese to brown slightly. This will give it a more appealing appearance and add a slightly crispy texture.

Serving the Slow Cooker Meatball Casserole:

  1. Once the casserole is cooked, turn off the slow cooker and let it sit for 10-15 minutes before serving. This will allow the casserole to set slightly and make it easier to serve.
  2. Carefully scoop out portions of the casserole and serve hot.
  3. Garnish with extra chopped fresh parsley and grated Parmesan cheese, if desired.
  4. This slow cooker meatball casserole is delicious on its own, but you can also serve it with a side salad or garlic bread.
  5. Leftovers can be stored in the refrigerator for up to 3 days. Reheat in the microwave or oven until heated through.

Tips and Variations:

  • Use different types of cheese. Feel free to experiment with different types of cheese, such as provolone, fontina, or asiago.
  • Add vegetables. You can add vegetables to the casserole, such as chopped onions, bell peppers, mushrooms, or zucchini. Sauté the vegetables before adding them to the slow cooker.
  • Use different types of pasta sauce. You can use different types of pasta sauce, such as arrabiata, pesto, or vodka sauce.
  • Make it spicy. Add a pinch of red pepper flakes to the meatball mixture or the marinara sauce for a little heat.
  • Add a layer of spinach. For added nutrients, stir in a bag of fresh spinach during the last 30 minutes of cooking.
  • Use pre-made meatballs. If you’re short on time, you can use pre-made frozen meatballs. Just make sure to thaw them before adding them to the slow cooker.
  • Make it ahead of time. You can assemble the casserole ahead of time and store it in the refrigerator overnight. Add about 30 minutes to the cooking time if cooking from cold.
  • For a lower-carb option, substitute the pasta with zucchini noodles or cauliflower rice.

Enjoy your delicious and easy Slow Cooker Meatball Casserole!

Slow Cooker Meatball Casserole

Conclusion:

This Slow Cooker Meatball Casserole isn’t just another weeknight dinner; it’s a flavor explosion waiting to happen, and trust me, you absolutely need to try it. The combination of tender, juicy meatballs, perfectly cooked pasta, and that rich, cheesy sauce is simply irresistible. It’s the kind of meal that brings everyone to the table with smiles, and leaves them feeling completely satisfied.

But what truly sets this recipe apart is its simplicity. We all lead busy lives, and the beauty of a slow cooker recipe is that it does all the hard work for you. Just toss in the ingredients, set it, and forget it! Come home to a warm, comforting, and incredibly delicious meal that tastes like you spent hours slaving away in the kitchen. It’s a total game-changer for those hectic weeknights when you’re short on time but still want a home-cooked meal.

Beyond the ease and the incredible flavor, this casserole is also incredibly versatile. Feel free to experiment with different types of pasta – penne, rotini, or even bow ties would work beautifully. You could also add some extra vegetables to the mix. Sliced bell peppers, mushrooms, or zucchini would all be fantastic additions, adding both flavor and nutritional value. For a spicier kick, try adding a pinch of red pepper flakes to the sauce.

Serving Suggestions and Variations:

* Serve it with a side of garlic bread for soaking up all that delicious sauce.
* A simple green salad provides a refreshing contrast to the richness of the casserole.
* Top with a dollop of ricotta cheese and a sprinkle of fresh basil for an extra touch of elegance.
* For a lower-carb option, try using zucchini noodles instead of pasta.
* If you’re feeling adventurous, add a layer of sliced mozzarella cheese during the last 30 minutes of cooking for an extra gooey and cheesy experience.

I’m confident that this Slow Cooker Meatball Casserole will become a new family favorite. It’s a crowd-pleaser that’s perfect for potlucks, family gatherings, or simply a cozy night in. The aroma alone will have your neighbors knocking on your door!

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

And most importantly, I want to hear about your experience! Did you try the recipe? Did you make any variations? What did your family think? Share your photos and comments in the comments section below. I can’t wait to see your creations and hear your feedback. Happy cooking! I hope you enjoy this Slow Cooker Meatball Casserole as much as my family and I do. It’s a recipe that’s meant to be shared and enjoyed, so get cooking and spread the love!


Slow Cooker Meatball Casserole: Easy Recipe for a Delicious Dinner

Pasta, meatballs, ricotta, and mozzarella cheese layered in marinara sauce and slow-cooked to perfection.

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

Ingredients

  • 1 pound ground beef
  • 1 pound ground Italian sausage
  • 1 cup bread crumbs
  • 1/2 cup grated Parmesan cheese
  • 1/4 cup chopped fresh parsley
  • 2 cloves garlic, minced
  • 1 egg, lightly beaten
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 2 (24 ounce) jars marinara sauce
  • 1 (15 ounce) container ricotta cheese
  • 1/2 cup grated Parmesan cheese
  • 1 egg, lightly beaten
  • 1/4 cup chopped fresh parsley
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 pound mozzarella cheese, shredded
  • 1 pound pasta (penne, rigatoni, or your favorite), cooked al dente

Instructions

  1. Make the Meatballs: In a large bowl, combine ground beef, Italian sausage, bread crumbs, 1/2 cup Parmesan cheese, 1/4 cup parsley, minced garlic, 1 egg, Italian seasoning, salt, and pepper. Gently mix until just combined. Roll into 1-inch meatballs.
  2. Optional: Brown Meatballs: Brown meatballs in a skillet with olive oil over medium-high heat until seared on all sides. (Skip this step if short on time).
  3. Prepare Ricotta Mixture: In a medium bowl, combine ricotta cheese, 1/2 cup Parmesan cheese, 1 egg, 1/4 cup parsley, salt, and pepper. Mix well.
  4. Assemble Casserole: Grease slow cooker. Pour one jar of marinara sauce into the bottom. Layer half of the cooked pasta, half of the meatballs, half of the ricotta mixture, and half of the mozzarella cheese. Pour the remaining jar of marinara sauce over the mozzarella cheese. Repeat layers with remaining pasta, meatballs, ricotta mixture, and mozzarella cheese. Ensure the top layer is a generous layer of mozzarella cheese.
  5. Slow Cook: Cover and cook on low for 6-8 hours, or on high for 3-4 hours, until cheese is melted and bubbly, sauce is heated through, and meatballs are cooked through (internal temperature of 160°F/71°C).
  6. Optional: Brown Cheese: For the last 30 minutes of cooking, remove the lid to allow the cheese to brown slightly.
  7. Serve: Let sit for 10-15 minutes before serving. Scoop and serve hot. Garnish with extra parsley and Parmesan cheese, if desired.

Notes

  • Browning the meatballs is optional but recommended for added flavor and texture.
  • Cooking time may vary depending on your slow cooker.
  • For the last 30 minutes of cooking, you can remove the lid to allow the cheese to brown slightly.
  • Leftovers can be stored in the refrigerator for up to 3 days. Reheat in the microwave or oven until heated through.

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