This is my go‑to slow cooker lasagna: layers of meat sauce, ricotta-cheese mixture, and uncooked noodles all cooked low and slow until tender and bubbling. It’s comforting, hands‑off, and perfect for busy days. Slow Cooker Lasagna

Why You’ll Love This Recipe

I love this recipe because it removes the hassle of boiling noodles and watching the oven. I assemble everything, set the cooker, and come back to a hearty, cheesy lasagna. It holds its shape nicely, reheats well, and tastes like it simmered all day—even though prep is minimal.

Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

  • ½ lb (about 225 g) ground beef

  • ½ lb (about 225 g) ground Italian sausage (or substitute extra ground beef)

  • 1 teaspoon Italian seasoning

  • ½ cup (about 80 g) finely chopped onion

  • 24 oz (about 680 ml) jar marinara sauce

  • ½ cup (120 ml) water

  • 15 oz (≈ 425 g) ricotta cheese

  • 2 cups (about 200 g) shredded mozzarella cheese, divided

  • ½ cup (about 50 g) grated Parmesan cheese

  • 1 large egg

  • 9–12 uncooked lasagna noodles (regular, broken to fit)

Directions

  1. Spray the inside of the slow cooker with nonstick cooking spray or lightly grease it.

  2. In a skillet over medium heat, brown the ground beef and Italian sausage together. Drain any excess fat.

  3. Stir in the chopped onion and Italian seasoning and cook until the onion is softened.

  4. Add the marinara sauce and ½ cup water to the meat mixture. Stir and let it simmer briefly, about 3–5 minutes.

  5. In a bowl, combine ricotta cheese, 1 cup of mozzarella, Parmesan, and the egg. Mix until smooth.

  6. Spread about 1 cup of the meat sauce on the bottom of the slow cooker.

  7. Place 3 of the uncooked lasagna noodles on top (break as needed to fit).

  8. Spread about one‑third of the cheese mixture over the noodles.

  9. Spoon another portion of the meat sauce over the cheese.

  10. Repeat layering: noodles, cheese, sauce—until you run out, finishing with a final layer of sauce.

  11. Sprinkle the remaining 1 cup mozzarella over the top.

  12. Cover and cook on low for 4 to 5 hours, or until the noodles are soft and cheese is melted.

  13. Turn off the cooker and let sit covered for about 10 to 15 minutes before slicing and serving.

Servings and timing Slow Cooker Lasagna

  • Servings: 8

  • Prep Time: about 15–20 minutes

  • Cook Time: 4 to 5 hours (on low)

  • Resting Time: 10–15 minutes

Variations

  • Vegetarian version: Omit the meat and add layers of sautéed vegetables (e.g. zucchini, mushrooms, spinach) in place of the meat sauce.

  • Cheese swap: Use cottage cheese instead of ricotta, or mix in some shredded provolone.

  • Different meats: Use ground turkey or chicken for a lighter version.

  • Add herbs: Mix fresh basil, parsley, or oregano into the cheese or sauce layers for extra flavor.

  • Spicy twist: Add red pepper flakes or chopped jalapeños to the sauce for heat.

storage/reheating

  • Refrigerator: Store leftovers in an airtight container for up to 4–5 days.

  • Freezing: After cooling, wrap portions in foil or place in freezer-safe containers. Freeze for up to 3 months.

  • Reheating: Thaw in the fridge overnight (if frozen). To reheat, sprinkle a little water on top, cover, and bake in oven at 350 °F (175 °C) for about 20 minutes, or microwave individual portions, covered, until heated through.

FAQs

What kind of noodles should I use?

I use regular lasagna noodles (not the “no‑boil” kind), breaking them to fit into the slow cooker. They soften nicely during cooking.

Do I have to cook the noodles first?

No. One of the beauties of this recipe is that the noodles cook right in the slow cooker, absorbing moisture from the sauce.

Can I cook it on high instead of low?

I don’t recommend high—cooking low gives the noodles time to soften without drying out the dish. High may cook too fast and result in chewy or uneven noodles.

How can I tell it’s done?

The noodles should be tender (you can test with a fork) and the cheese should be bubbly and melted on top.

Can I assemble it ahead of time?

Yes. You can layer everything a day ahead, store it in the fridge (covered), and then cook it the next day as directed.

Conclusion

I love how this slow cooker lasagna gives me all the flavor of classic lasagna with less effort. It’s perfect for days when I want to set it and forget it, knowing dinner will come out comforting, cheesy, and satisfying. Try it once—you’ll see how simple it can be—and adapt it with your favorite fillings or meats.

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Slow Cooker Lasagna

Slow Cooker Lasagna

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  • Author: Lidia
  • Prep Time: 15–20 minutes
  • Cook Time: 4–5 hours (on low)
  • Total Time: 4 hours 30 minutes to 5 hours 20 minutes
  • Yield: 8 servings
  • Category: Dinner, Main Dish
  • Method: Slow Cooker
  • Cuisine: Italian-American
  • Diet: Vegetarian

Description

This easy Slow Cooker Lasagna is the ultimate hands-off comfort food—layered with hearty meat sauce, creamy ricotta, melty mozzarella, and uncooked noodles that become perfectly tender as they slow cook. A no-boil, no-bake lasagna recipe that’s rich, cheesy, and effortless—ideal for busy weeknights or make-ahead meals.


Ingredients

  • ½ lb (about 225 g) ground beef
  • ½ lb (about 225 g) ground Italian sausage (or extra beef)
  • 1 tsp Italian seasoning
  • ½ cup (80 g) finely chopped onion
  • 24 oz (680 ml) jar marinara sauce
  • ½ cup (120 ml) water
  • 15 oz (425 g) ricotta cheese
  • 2 cups (200 g) shredded mozzarella cheese, divided
  • ½ cup (50 g) grated Parmesan cheese
  • 1 large egg
  • 912 uncooked lasagna noodles (regular, broken to fit)

Instructions

  1. Spray slow cooker with nonstick spray or grease lightly.
  2. In a skillet, brown beef and sausage; drain fat.
  3. Add onion and Italian seasoning; cook until softened.
  4. Stir in marinara and water; simmer 3–5 minutes.
  5. In a bowl, mix ricotta, 1 cup mozzarella, Parmesan, and egg.
  6. Spread 1 cup meat sauce on bottom of slow cooker.
  7. Layer 3 noodles (broken to fit), then ⅓ cheese mixture, then sauce.
  8. Repeat layers, ending with sauce on top.
  9. Sprinkle remaining 1 cup mozzarella over the top.
  10. Cover and cook on LOW for 4–5 hours, until noodles are tender.
  11. Turn off heat, let rest covered 10–15 minutes before serving.

Notes

  • You can prepare this up to a day ahead and refrigerate before cooking.
  • Add fresh herbs like basil or oregano for extra flavor.
  • Use cottage cheese in place of ricotta if desired.
  • For a vegetarian option, swap meat for sautéed vegetables.
  • Freezes well—perfect for meal prep.

Nutrition

  • Serving Size: 1 slice (approx. 1/8 of dish)
  • Calories: 430
  • Sugar: 6g
  • Sodium: 850mg
  • Fat: 24g
  • Saturated Fat: 11g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 3g
  • Protein: 26g
  • Cholesterol: 85mg

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