Easy No-Boil Slow Cooker Lasagna

Featured in Perfect Pasta Dishes.

This no-boil slow cooker lasagna is the perfect dish for a stress-free, comforting meal. Layers of tender lasagna noodles, creamy ricotta and mozzarella cheese, and a flavorful marinara sauce come together effortlessly in your crockpot. Simply prepare the ingredients, assemble in your slow cooker, and let it do the work! With a cook time of a few hours, you'll end up with a cheesy, hearty lasagna ready to serve and enjoy without boiling noodles or labor-intensive prep.

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Updated on Thu, 10 Apr 2025 14:19:50 GMT
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This no-boil slow cooker lasagna revolutionizes the traditional Italian classic by eliminating the pre-boiling step and utilizing your slow cooker for a hands-off approach. The result is perfectly tender pasta layers surrounded by rich sauce and creamy cheese—all without hovering over a hot stove or using multiple pots and pans.

I discovered this method during a particularly hectic holiday season when I needed to feed a crowd but couldn't spare hours in the kitchen. It's become my secret weapon for entertaining because I can assemble it in the morning and have a bubbling lasagna ready precisely when guests arrive.

Ingredients

  • Marinara sauce: two 24-ounce jars provide the perfect amount of moisture to cook the noodles and prevent drying
  • No-boil lasagna noodles: these special flat noodles absorb liquid during cooking creating perfect texture
  • Ricotta cheese: provides the creamy foundation look for whole milk ricotta for richness
  • Mozzarella cheese: forms that classic stringy cheese pull choose low-moisture variety for best melting
  • Parmesan cheese: adds nutty depth freshly grated provides superior flavor to pre-packaged options
  • Egg: helps bind the cheese mixture and creates a silky texture
  • Italian seasoning: combines classic herbs in one convenient blend
  • Fresh basil: brightens the rich flavors choose vibrant leaves without dark spots
  • Kosher salt and freshly ground pepper: balances and enhances every other flavor

Step-by-Step Instructions

Prepare the base:
Spread approximately 1½ cups marinara sauce across the bottom of your slow cooker creating an even layer that prevents sticking and provides moisture for the bottom noodles to absorb.
Create the first noodle layer:
Arrange no-boil lasagna noodles over the sauce breaking them as needed to fit the shape of your slow cooker. Overlap slightly to ensure there are no gaps where layers might collapse during cooking.
Mix the cheese filling:
Combine ricotta cheese parmesan cheese egg and one cup of mozzarella in a medium bowl until smooth and uniform. Fold in Italian seasoning fresh basil salt and pepper creating a balanced herbed cheese mixture that will serve as the creamy heart of your lasagna.
Begin the layering process:
Spoon one third of your cheese mixture over the noodle layer and gently spread to create an even surface. Top with another layer of broken noodles and add more marinara sauce creating the foundation for a perfectly structured lasagna.
Complete the layers:
Repeat the layering process twice more alternating noodles cheese mixture and sauce until all ingredients are used. Finish with a generous layer of the remaining mozzarella cheese which will create that beautiful golden brown top everyone loves.
Cook to perfection:
Cover the slow cooker and set to high for 3-4 hours or low for 6-8 hours depending on your schedule. Avoid lifting the lid during cooking as this releases essential moisture and heat that helps cook the noodles properly.
Serve and enjoy:
Allow the lasagna to rest for 15-20 minutes after cooking which helps the layers set and makes serving neater. Cut into portions and serve with additional fresh basil if desired.

The marinara sauce selection makes a tremendous difference in this recipe. I once made this for my Italian grandmother using her homemade sauce we had frozen the previous summer and she declared it better than her traditional oven-baked version—high praise that confirmed this shortcut method sacrifices nothing in flavor.

Perfect Pairings

This lasagna pairs wonderfully with a simple arugula salad dressed with lemon juice and olive oil. The peppery greens and bright acidity cut through the richness of the cheese creating a balanced meal. For a complete Italian dinner experience serve with garlic bread and offer a medium-bodied Italian red wine like Chianti or Montepulciano.

Storing and Reheating

Leftover lasagna keeps beautifully in the refrigerator for up to four days in an airtight container. For best reheating results place a portion in an oven-safe dish cover with foil and warm at 325°F for about 20 minutes until heated through. Microwave reheating works in a pinch but may create uneven hot spots and make the edges rubbery.

Making It Your Own

This recipe serves as an excellent foundation for customization. Consider adding browned Italian sausage or ground beef between layers for a meat version. Vegetable lovers can incorporate sautéed mushrooms spinach or roasted red peppers. For a more complex flavor profile substitute part of the marinara with béchamel sauce creating a version closer to authentic northern Italian lasagna.

Frequently Asked Questions

→ Can I use homemade marinara sauce?

Yes, homemade marinara sauce works perfectly and can add a personal touch to the dish. Just ensure you have about 48 ounces ready.

→ Do I need to pre-cook the noodles?

No, the no-boil lasagna noodles cook perfectly in the slow cooker as they absorb the sauce during the cooking process.

→ Can I use different types of cheese?

Absolutely! You can experiment with cheeses like fontina, provolone, or even goat cheese for a unique flavor twist.

→ How do I store leftover lasagna?

Store leftover lasagna in an airtight container in the refrigerator for up to 3-4 days. Reheat in the oven or microwave before serving.

→ Can this be made vegetarian?

Yes, this lasagna is already vegetarian as written since it doesn't include meat. For a vegan version, substitute the cheese and egg with plant-based alternatives.

→ How do I know if my lasagna is done?

The lasagna is ready when the noodles are tender, and the cheese on top is fully melted and bubbling. A total cook time of 3-4 hours on high or 6-8 hours on low is ideal.

No-Boil Slow Cooker Lasagna

Quick and easy lasagna made entirely in your slow cooker with no need for boiling noodles.

Prep Time
15 Minutes
Cook Time
240 Minutes
Total Time
255 Minutes
By: Ferdaous

Category: Pasta

Difficulty: Easy

Cuisine: Italian

Yield: 6 Servings

Dietary: Vegetarian

Ingredients

→ Sauces

01 48 oz marinara sauce

→ Pasta

02 1 box no-boil lasagna noodles

→ Cheeses

03 32 oz ricotta cheese
04 2 cups grated mozzarella cheese
05 1 cup grated parmesan cheese

→ Seasoning

06 1 teaspoon Italian seasoning
07 1/4 cup fresh basil, chopped
08 Kosher salt, to taste
09 Freshly ground black pepper, to taste

→ Other

10 1 egg

Instructions

Step 01

Spread 1 1/2 cups marinara sauce in the bottom of the slow cooker.

Step 02

Add a layer of no-boil lasagna noodles, breaking them apart to fit as needed.

Step 03

In a medium bowl, combine ricotta cheese, parmesan cheese, egg, 1 cup mozzarella cheese, Italian seasoning, basil, salt, and pepper. Stir until well mixed.

Step 04

Spoon 1/3 of the cheese mixture over the noodles and spread evenly. Add another layer of noodles and sauce. Repeat layers two more times.

Step 05

Top with the remaining mozzarella cheese.

Step 06

Cover the slow cooker and cook on high for 3-4 hours or on low for 6-8 hours.

Step 07

Slice the lasagna, serve, and enjoy.

Tools You'll Need

  • Slow cooker
  • Medium mixing bowl

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy products
  • Contains eggs
  • Contains gluten

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 425.5
  • Total Fat: 23.5 g
  • Total Carbohydrate: 34.2 g
  • Protein: 18.7 g