This Slow Cooker Lasagna is the kind of recipe busy families fall in love with — minimal prep, classic comfort, and a warm, hearty dinner waiting for you at the end of the day. Using ricotta keeps the filling creamy and traditional, while the slow cooker does all the heavy lifting. It’s perfect for weeknights, potlucks, or those chilly evenings when you want something cozy bubbling away without hovering over the stove.

This is the kind of dish that fills your home with that nostalgic “Sunday dinner” aroma… even if you threw it together in 15 minutes.

📝 Ingredients

For the Meat Sauce

• 1 lb ground beef (or half beef, half Italian sausage)
• 1 small onion, diced
• 3 cloves garlic, minced
• 1 jar (24 oz) marinara sauce
• 1 can (14.5 oz) crushed tomatoes
• 1 tsp Italian seasoning
• ½ tsp salt
• ½ tsp black pepper

Ricotta Layer

• 1 ½ cups ricotta cheese
• 1 ½ cups shredded mozzarella
• ½ cup grated Parmesan
• 1 large egg
• 1 tbsp chopped parsley (optional)
• ½ tsp salt

Other

• 10–12 uncooked lasagna noodles (regular, not oven‑ready)
• 1 ½ cups shredded mozzarella (for topping)
• Nonstick spray

👩‍🍳 Instructions

1. Make the Meat Sauce

1. In a skillet over medium heat, cook the ground beef and onion until browned.
2. Add garlic and cook 1 minute.
3. Stir in marinara, crushed tomatoes, Italian seasoning, salt, and pepper.
4. Simmer 5 minutes, then remove from heat.

2. Mix the Ricotta Filling

In a medium bowl, combine ricotta, mozzarella, Parmesan, egg, parsley, and salt. Mix until creamy.

3. Assemble in the Slow Cooker

1. Spray the slow cooker with nonstick spray.
2. Spread a thin layer of meat sauce on the bottom.
3. Add a layer of broken lasagna noodles (it’s okay if they overlap).
4. Spread a layer of ricotta mixture.
5. Add more meat sauce.
6. Repeat layers until ingredients are used, ending with sauce.

4. Cook

• Cover and cook on LOW for 4–5 hours or HIGH for 2–3 hours.
• In the last 20 minutes, sprinkle the remaining mozzarella on top and let it melt.

5. Rest & Serve

Turn off the slow cooker and let the lasagna rest 15 minutes before slicing. This helps it set beautifully.

💡 Tips for the Best Slow Cooker Lasagna

• Don’t skip the rest time — it keeps the layers clean and sliceable.
• Use a thick marinara so the lasagna doesn’t get watery.
• Add spinach to the ricotta layer for extra veggies.
• Swap beef for turkey for a lighter version.

🥡 Storage & Reheating

• Fridge: Store leftovers in an airtight container for up to 4 days.
• Freezer: Freeze slices individually for easy reheating.
• Reheat: Microwave or warm in a 300°F oven until heated through.