This slow cooker lasagna is a hands-off weekend dinner built from layers of regular lasagna noodles, a rich meat sauce, and a high-protein cottage cheese–Parmesan filling. It’s comforting, family-friendly, and simple to prepare.
Crockpot Lasagna
I like making this slow cooker lasagna on Sundays when the day is busy. Set it and forget it: the slow cooker develops deep, cozy lasagna flavors without heating the oven. The result is a protein-rich meal the whole family enjoys, and leftovers often taste even better the next day. This version uses cottage cheese for added protein but you can swap in ricotta if you prefer.
Why I Love This Crockpot Lasagna
I tested this recipe starting with a high-protein lasagna base and adjusted it for the slow cooker. The noodles softened perfectly in the sauce, the layers held together, and my family declared it a winner. It’s become a regular on our dinner rotation because it’s reliable, satisfying, and freezer-friendly.
- Classic lasagna with less effort: No oven required and minimal hands-on time.
- No pre-boiling the noodles: Regular uncooked noodles cook in the sauce inside the slow cooker.
- Kid-approved: Melty cheese and hearty meat sauce make it a favorite for picky eaters.
- Freezer-friendly: Assembles and freezes well, so it’s great for meal prep.
- High protein: Using cottage cheese boosts the protein content per serving.
Ingredients You’ll Need
Below are the key ingredients for this easy slow cooker lasagna. Exact measurements appear in the recipe card further down.
- Ground meat: 90% lean ground sirloin, bison, or lean ground turkey.
- Aromatics: Onion and garlic to build flavor.
- Seasoning: Kosher salt and Italian seasoning (or a mix of dried oregano and basil).
- Crushed tomatoes: Use a good-quality canned tomato for best results.
- Water: A small amount to thin the tomatoes so the noodles cook evenly.
- Cheeses: Cottage cheese for protein, plus Parmesan (or Pecorino Romano) and shredded mozzarella for melting.
- Parsley: Fresh parsley brightens the filling.
- Eggs: Bind the cheese filling so it sets when cooked.
- Lasagna noodles: Regular uncooked noodles (not no-boil) work best in a crockpot.
How to Make Slow Cooker Lasagna
Make the meat sauce, prepare the cheese filling, layer everything in a 6-quart slow cooker, and cook low and slow. The full printable recipe and quantities are in the recipe card below.
- Brown the meat: In a large skillet, heat a little oil over medium-high heat. Add ground beef and ¾ teaspoon salt and brown, breaking it up as it cooks. Add the onion and garlic and cook until softened.
- Make the meat sauce: Stir in crushed tomatoes and ¼ cup water, season with Italian seasoning and the remaining salt. Simmer over medium-low heat for about 20 minutes to meld flavors.
- Prepare the filling: In a bowl, combine the cottage cheese, beaten eggs, Parmesan, half the mozzarella, and chopped parsley; mix until well blended.
- Layer the lasagna: Spray the inside of a 6-quart slow cooker with oil. Spread about 1 cup of meat sauce on the bottom. Layer three lasagna noodles (break them to fit), top with another cup of sauce, then spread a third of the cheese mixture. Repeat two more times, finishing with the final noodles and remaining sauce.
- Cook low and slow: Cover and cook on low for 3½ to 4 hours. Depending on your slow cooker and the noodles, cooking may take up to 6 hours. After about 3 hours, test the center with a knife; if the noodles slide in easily it’s done, otherwise continue cooking 30–60 more minutes.
- Finish and rest: When the noodles are tender, sprinkle the remaining cup of mozzarella over the top, cover, and cook 5–10 minutes until melted. Remove the lid and let the lasagna rest 10–15 minutes before slicing so the layers set.
Tips for Perfect Slow Cooker Lasagna
- Use regular, uncooked lasagna noodles: They hydrate and hold their shape better than no-boil varieties in a slow cooker.
- Start with sauce on the bottom: This prevents sticking and helps the noodles absorb moisture evenly.
- Don’t skimp on sauce: Slow cookers don’t reduce liquid like an oven, so give the noodles enough sauce to cook through.
- Keep the lid closed: Lifting the lid releases heat and moisture, which can lengthen cooking time and affect texture.
- Cook on low, not high: Low heat lets the noodles soften evenly and keeps the cheese filling stable.
- Let it rest before slicing: A 10–15 minute rest helps the lasagna set so slices hold together cleanly.
- Add the mozzarella at the end: Sprinkling it on in the last 5–10 minutes yields a melty, gooey top rather than an overcooked one.
Variations
- Meat swaps: Substitute lean ground turkey or chicken for beef.
- Add vegetables: Sauté mushrooms, spinach, bell peppers, or zucchini and stir them into the sauce for a heartier dish.
- Vegetarian: Replace the meat with a mix of sautéed vegetables and extra mushrooms.
- Ricotta option: Use ricotta alone or mix ricotta with cottage cheese if you prefer that flavor and texture.
- Short on time: After browning the meat, stir in two jars (24 ounces each) of good-quality marinara and proceed to layer.
- Egg-free: If you’re allergic or avoid eggs, you can omit them from the cheese filling.
- Gluten-free: Use gluten-free lasagna noodles (note: cooking time may vary).
- Herb swaps: Replace parsley with fresh basil for a different aroma.
Make-Ahead, Storage, and Leftovers
- Make ahead: Prepare the sauce and cheese filling a day in advance and refrigerate in airtight containers. Assemble and cook when ready.
- Refrigerate: Keep leftovers in airtight containers for up to 4 days.
- Freeze: Freeze portions or the whole assembled lasagna for up to 3 months. Thaw overnight in the refrigerator before reheating.
- Reheating: Reheat individual portions in the microwave, or warm in a 350°F oven until heated through.
What to Serve with Slow Cooker Lasagna
Vegetable sides and simple breads pair well with this lasagna—think a light green salad, roasted broccoli, or garlic knots to soak up extra sauce.
Arugula Salad
Air Fryer Brussel Sprouts
Antipasto Salad
Roasted Broccoli
More Slow Cooker Dinner Recipes You’ll Love
If you enjoy easy slow-cooker dinners, try other comforting recipes such as Slow Cooker Bolognese, Crock Pot Salsa Chicken, Slow Cooker Ground Beef Ragu, Slow Cooker Beef Stew, or Crockpot Sesame Chicken.
Slow Cooker Lasagna
High-protein slow cooker lasagna made with regular noodles that cook right in a hearty meat sauce. Family-friendly and perfect for weekends with great leftovers.
Equipment
- 6-quart or larger slow cooker
Ingredients
- Olive oil spray (or a little oil for browning)
- 1 pound 90% lean ground sirloin (or bison)
- ½ medium onion, diced
- 3 cloves garlic, minced
- 1 teaspoon kosher salt, divided
- 1 teaspoon Italian seasoning
- 2 (28-ounce) cans crushed tomatoes
- ¼ cup water
- 3 cups part-skim cottage cheese (about 1½ 16-ounce containers) or ricotta
- 1½ cups part-skim shredded mozzarella, divided
- ¼ cup chopped fresh parsley, plus more for garnish
- ¼ cup freshly grated Parmesan or Pecorino Romano
- 2 large eggs, beaten
- 12 regular uncooked lasagna noodles (about 11.25 ounces), not no-boil
Instructions
- Spray a large skillet with oil and heat over medium-high. Add the ground beef and ¾ teaspoon salt. Sauté until mostly cooked, then add the onion and garlic and cook until softened, about 2 minutes more.
- Add the crushed tomatoes and ¼ cup water to the skillet. Season with Italian seasoning and the remaining ¼ teaspoon salt. Bring to a simmer, reduce heat to medium-low, cover, and simmer 20 minutes. Adjust salt to taste.
- While the sauce simmers, combine cottage cheese (or ricotta), beaten eggs, Parmesan, ½ cup mozzarella, and chopped parsley in a bowl. Stir until evenly mixed and set aside.
- Spray the sides and bottom of a 6-quart slow cooker with oil. Spread about 1 cup of meat sauce on the bottom. Layer 3 lasagna noodles (break to fit), add about 1 generous cup meat sauce, then spread ⅓ of the cheese mixture. Repeat this layering two more times, finishing with the last 3 noodles and the remaining sauce on top.
- Cover and cook on low for 3½ to 4 hours. At the 3-hour mark, test the center with a knife; if it slides through the noodles easily, the lasagna is done. If not, continue cooking in 30–60 minute increments until tender.
- When the noodles are tender, sprinkle the remaining 1 cup mozzarella over the top, cover, and cook until the cheese melts, about 5–10 minutes. Remove the lid and let the lasagna stand 10–15 minutes before slicing. Garnish with parsley if desired.
Notes
- Add sautéed spinach or mushrooms to the sauce for extra vegetables.
- Leftovers keep in the fridge for up to 4 days in an airtight container; freeze up to 3 months.
- To reheat frozen portions, thaw overnight in the fridge and warm in the oven or microwave until heated through.
Nutrition
Serving: 1/8 of recipe — Calories: 431 | Carbs: 47 g | Protein: 35.5 g | Fat: 12.5 g | Fiber: 5.5 g | Sugar: 9 g | Sodium: ~998 mg