If you love classic Italian comfort food but dread hovering over a hot oven, let me introduce you to my favorite cozy shortcut: Slow Cooker Lasagna. This dish takes everything you adore about lasagna – rich meaty sauce, melty cheese, and perfectly layered noodles – and simmers it to perfection right in your crockpot. Imagine coming home at the end of a long day to the aroma of bubbling lasagna, without having to turn on the oven or fuss with complicated steps. It’s delicious, foolproof, and pure comfort in every bite!
Ingredients You’ll Need

Ingredients You’ll Need
One of the best things about Slow Cooker Lasagna is how simple and straightforward every ingredient is — each one is essential for building big flavor, irresistible texture, and those unmistakable Italian colors. Let’s break down what makes each element shine:
- Ground beef: Lean beef (like 97/3) adds hearty flavor and keeps things from getting greasy, so every bite feels substantial and satisfying.
- Chopped white onion: A little bit of onion sweetens the sauce and infuses every layer with classic homemade taste.
- Garlic: Minced garlic brings that savory depth that’s unmistakably Italian — don’t skip it!
- Salt and pepper: Seasonings that pull everything together and make each layer pop.
- Oregano: Italian oregano offers herby warmth and balances out the richness of the meat and cheese.
- Ricotta cheese: Creamy, dreamy ricotta is your secret weapon for tender, luscious cheese layers.
- Large egg: Just one egg binds the ricotta mixture, helping it set up into the perfect creamy filling.
- Parmesan cheese: Freshly grated Parmesan adds a salty, nutty kick to both the filling and the top layer.
- Shredded mozzarella cheese: Nothing stretches quite like mozzarella; you want that gooey melt throughout!
- Marinara sauce: A good-quality jarred marinara means big tomato flavor and gorgeous red color with zero fuss.
- Lasagna noodles: Uncooked, classic noodles soften beautifully in the slow cooker so you can skip the boiling pot entirely.
How to Make Slow Cooker Lasagna
Step 1: Make the Flavorful Sauce
Begin by sautéing your chopped onion in a large skillet over medium-high heat until it turns wonderfully translucent. Toss in the minced garlic and let it sizzle just until it’s fragrant — this is where the magic starts! Add in your ground beef, salt, pepper, and oregano. Brown the meat, breaking it up as you go, until there’s no pink left. Pour in your favorite jar of marinara, then add about half a cup of water to rinse out every last drop from the jar — swirl, shake, and add that into the skillet too. Let everything simmer gently so the flavors come together and your meat sauce is rich and hearty.
Step 2: Prepare the Creamy Cheese Mixture
While the sauce simmers, grab a large mixing bowl and combine your ricotta cheese with one egg, half of your shredded mozzarella, a generous quarter cup of grated Parmesan, and just a bit more salt and pepper if you like. Mix until the filling is creamy and evenly blended; this will become that luscious layer everyone craves in a good lasagna. Trust me, this ricotta blend makes each forkful extra special.
Step 3: Layer Like a Pro in the Slow Cooker
Now for the fun part! In the bottom of your 6-quart slow cooker, spread about 1 1/2 cups of your savory meat sauce. Lay uncooked lasagna noodles over the sauce, breaking them as needed to fit and cover the base in a single layer. Spoon dollops of the ricotta filling over the noodles, then gently spread it out. Repeat the layering process: more sauce, more noodles, more cheese. Keep building delicious layers until you’re out of ingredients, finishing with a final blanket of sauce on top.
Step 4: Top, Cook, and Rest
Scatter the rest of your mozzarella and Parmesan generously over the final layer. Cover the slow cooker and set it to LOW for 3.5 hours. The kitchen will smell incredible while your Slow Cooker Lasagna bubbles away and the noodles become perfectly tender. When the time’s up, take off the lid and let it stand for about 10 minutes; this helps everything set up so you can slice perfect pieces.
How to Serve Slow Cooker Lasagna
Garnishes
I love to sprinkle each slice with a handful of chopped fresh basil or parsley for a pop of color and freshness. A tiny flurry of extra grated Parmesan right before serving adds that restaurant-worthy finish. If you’re feeling bold, a pinch of red pepper flakes offers a gentle, warming kick that complements the richness beautifully.
Side Dishes
This Slow Cooker Lasagna is hearty all on its own, but if you want to round out the meal, think simple and classic. A crisp green salad tossed in a zingy Italian vinaigrette, or roasted vegetables drizzled with olive oil, make wonderful sides. And don’t forget crusty garlic bread or soft rolls to soak up every last drop of sauce!
Creative Ways to Present
For an eye-catching twist, serve your Slow Cooker Lasagna in individual ramekins for a dinner party, or offer a build-your-own lasagna night with a toppings bar: extra cheese, herbs, and even diced tomatoes. Leftovers make an epic lunch the next day — try slicing a cold piece and pan-searing it for a crispy edge.
Make Ahead and Storage
Storing Leftovers
Let your Slow Cooker Lasagna cool completely, then transfer slices to an airtight container. It will keep well in the fridge for up to 4 days, and honestly, the flavors might be even better the next day! Just remember to keep the layers intact when packing up.
Freezing
This lasagna freezes beautifully. Wrap individual slices tightly in plastic wrap and foil, or layer them between parchment paper in a sturdy container. Freeze for up to 2 months. To reheat, thaw overnight in the fridge for best results, so it bakes up perfectly creamy every time.
Reheating
For a quick lunch or dinner, microwave slices on a microwave-safe plate until heated through. For an oven-fresh experience, cover the lasagna with foil and warm it in a 350°F oven until bubbling. If it looks a little dry, add a splash of water or extra sauce before reheating to restore that irresistible texture.
FAQs
Can I use no-boil lasagna noodles for Slow Cooker Lasagna?
Absolutely! No-boil noodles work great in the slow cooker because they’ll soak up the delicious sauce as they cook. If you only have regular noodles, use those — they’ll soften perfectly given the slow, moist heat.
How do I prevent the lasagna from sticking or burning?
To keep your Slow Cooker Lasagna from sticking, be sure to start with a generous layer of meat sauce on the bottom. Also, check your slow cooker’s temperature and finish time, as every machine runs a bit differently.
Can I make this recipe vegetarian?
Definitely! Just swap the ground beef for sautéed mushrooms, zucchini, or spinach, and use your favorite plant-based sauce. The layering and cooking method stays the same, so you’ll end up with a delicious vegetarian version.
Can I double this recipe in a larger slow cooker?
If you have a big slow cooker (think 8 quarts or more), you can double the ingredients and build more layers. Keep in mind, though, that the cooking time may be a bit longer — check for tender noodles near the end.
What if my lasagna is watery?
Lasagna can get a little watery if there’s too much moisture in the sauce or cheese. Try using a thicker marinara and be sure to let the finished lasagna rest uncovered for 10–15 minutes before slicing; this gives time for the layers to set and excess liquid to absorb.
Final Thoughts
If you’re craving serious comfort with none of the oven hassle, I can’t recommend Slow Cooker Lasagna enough. It’s easy, forgiving, and guaranteed to get rave reviews at any table. Give it a try — your kitchen will smell heavenly, and you just might find a new weeknight favorite!
PrintSlow Cooker Lasagna Recipe
Enjoy a delicious and easy Slow Cooker Lasagna for a comforting meal. Layers of meaty sauce, noodles, and cheese come together perfectly in this crockpot dinner.
- Prep Time: 20 minutes
- Cook Time: 3 hours 30 minutes
- Total Time: 3 hours 50 minutes
- Yield: 6 servings
- Category: Dinner
- Method: Slow Cooker
- Cuisine: Italian
- Diet: Vegetarian
Ingredients
Meat Sauce:
- 1 pound ground beef
- ½ cup chopped white onion
- 2 cloves garlic, minced
- 1 teaspoon salt
- 1 teaspoon pepper
- 1 teaspoon oregano
Cheese Mixture:
- 15 ounces Ricotta cheese
- 1 large egg
- ½ cup grated Parmesan cheese, divided
- 2 cups shredded mozzarella cheese, divided
Additional Ingredients:
- 25 ounces marinara sauce
- 16 ounces lasagna noodles, uncooked, divided
Instructions
- Saute Aromatics: In a large skillet, saute onions until translucent. Add minced garlic and cook until fragrant.
- Cook Meat Sauce: Add ground beef, salt, pepper, and oregano to the skillet. Brown the meat, then add marinara sauce and simmer until heated through.
- Prepare Cheese Mixture: In a bowl, combine Ricotta cheese, egg, 1 cup of mozzarella, ¼ cup of Parmesan, salt, and pepper.
- Layer in Slow Cooker: Start with meat sauce, then noodles, cheese mixture, and repeat. Top with remaining cheeses.
- Cook: Cover and cook on LOW for 3.5 hours until noodles are tender. Let rest before serving.
Notes
- Slow cookers vary, so adjust cooking times as needed.
- Most slow cookers will only require about half a box of lasagna noodles.
Nutrition
- Serving Size: 1 serving
- Calories: 703 kcal
- Sugar: 7g
- Sodium: 1454mg
- Fat: 26g
- Saturated Fat: 14g
- Unsaturated Fat: 10g
- Trans Fat: 1g
- Carbohydrates: 69g
- Fiber: 5g
- Protein: 48g
- Cholesterol: 151mg