Pinterest Pin for Crockpot Lasagna

Introduction

This Crockpot Lasagna brings the classic, comforting flavors of baked lasagna to your slow cooker with minimal effort. You can layer it up in just minutes, then let your slow cooker do the rest of the work. The result is a rich, cheesy, and hearty meal that’s perfect for feeding a crowd or preparing ahead.

This recipe and accompanying image were created with the help of AI for inspiration and guidance. Results may vary depending on ingredients, equipment, and technique.

Prep & Cook Time

  • Prep Time: 10 minutes
  • Cook Time: 180 minutes (3 hours)
  • Total Time: 190 minutes (3 hours 10 minutes)
  • Servings: 15

Ingredients

  • ½ lb lasagna noodles (regular or oven-ready, uncooked)
  • 1 lb Italian sausage (bulks, or links with casings removed)
  • ½ lb ground beef
  • 1 cup onion (chopped, about 1 large onion)
  • 2 cloves garlic (minced)
  • 28 oz can of tomatoes (cut up, undrained)
  • 12 oz can of tomato paste
  • 2 teaspoon sugar
  • 2 teaspoon salt
  • 1 ½ teaspoon dried basil leaves
  • ⅕ teaspoon fennel seed
  • ¼ teaspoon coarse black pepper
  • 15 oz ricotta cheese
  • 1 large egg (beaten)
  • 1 tablespoon dried parsley flakes (or 2 teaspoon fresh minced parsley)
  • ½ teaspoon salt
  • ½ teaspoon coarse black pepper
  • 4 cups shredded mozzarella cheese
  • ¾ cup Parmesan cheese

Instructions

  1. In a large skillet over medium-high heat, cook the Italian sausage, ground beef, chopped onion, and minced garlic until the meat is browned and the onion is tender. Drain any excess fat.
  2. Stir in the can of cut-up tomatoes (with juices), tomato paste, sugar, 2 teaspoons salt, dried basil, fennel seed, and ¼ teaspoon coarse black pepper. Bring the mixture to a simmer, then reduce heat and let it simmer for 5 minutes.
  3. In a medium bowl, combine the ricotta cheese, beaten egg, dried parsley flakes (or fresh parsley), ½ teaspoon salt, and ½ teaspoon coarse black pepper. Mix until well blended.
  4. Spread about 1 cup of the meat sauce onto the bottom of a 6-quart or larger slow cooker.
  5. Layer as follows over the sauce: a single layer of uncooked lasagna noodles (breaking them to fit as needed), one-third of the ricotta cheese mixture, 1 cup of shredded mozzarella cheese, and a generous sprinkle of Parmesan cheese. Top with about 1 ½ cups of meat sauce.
  6. Repeat the layering sequence (noodles, ricotta, mozzarella, Parmesan, sauce) two more times.
  7. For the final layer, top the last layer of sauce with the remaining 1 cup of shredded mozzarella cheese and the remaining Parmesan cheese.
  8. Cover the slow cooker and cook on LOW for 3 hours, or until the noodles are tender and the cheese is melted and bubbly. Turn off the slow cooker, uncover, and let the lasagna rest for 15-20 minutes before serving to allow it to set.

Variations

  • Vegetable Boost: Add a layer of sautéed spinach or thinly sliced zucchini between the noodles and cheese layers.
  • No-Boil Noodle Trick: If using regular (not oven-ready) noodles, soak them in hot water for 15 minutes before assembling to ensure they cook through evenly.
  • Spicy Kick: Use hot Italian sausage and add a pinch of red pepper flakes to the meat sauce.
  • Individual Servings: Layer the ingredients in smaller, heat-safe jars or foil pans that fit in your slow cooker for easy single servings.

Tips for Success

  • Let the lasagna rest after cooking. This crucial step allows the layers to set, making it much easier to slice and serve.
  • For easier cleanup, consider using a slow cooker liner before you begin assembling.
  • If your slow cooker tends to run hot, reduce the cooking time by 15-30 minutes and check for doneness earlier.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days. To reheat, place individual portions in the microwave or warm larger portions, covered with foil, in a 350°F oven until heated through. You can also freeze assembled but uncooked lasagna or leftovers for up to 3 months.

FAQ

Can I use no-boil/oven-ready noodles?

Yes, you can use them directly as written in the recipe. They work perfectly in the slow cooker’s moist environment.

My slow cooker is smaller than 6 quarts. Can I still make this?

Yes, but you will need to halve the recipe or use a smaller, round baking dish that fits inside your slow cooker (a “pot-in-pot” method).

Can I cook this on HIGH instead of LOW?

It’s not recommended for this recipe. Cooking on LOW ensures the noodles cook through without burning the edges. Cooking on HIGH may result in unevenly cooked, mushy noodles.

Do I need to drain the can of tomatoes?

No, use the tomatoes “undrained” as specified. The liquid is necessary for cooking the noodles.

Can I make this lasagna ahead of time?

Absolutely. You can assemble the entire lasagna in the slow cooker insert the night before, cover it, and refrigerate. Let it sit at room temperature for 20-30 minutes before starting the cook time.

Can I substitute the Italian sausage?

You can use all ground beef (1.5 lbs total) or a mix of ground beef and ground turkey. For a vegetarian version, use a plant-based meat crumble and omit the fennel seed.