Slow Cooker Lasagna

Make this slow cooker lasagna when you want the meat sauce and cheese layers without boiling noodles or heating a 9×13: brown beef and sausage, simmer a quick tomato sauce, then layer uncooked lasagna noodles in a 6-quart cooker. Low about 4–5 hours until the noodles are tender, not 8 hours until they’re paste. This is not the oven classic lasagna already on this site — that one is 375°F and a rest. Don’t put no-boil sheets in a dry cooker and hope.

Why You’ll Love This Recipe ❤️

• Uncooked noodles. They cook in the sauce.
• 6-quart cooker, not the oven.
• Cottage cheese or ricotta in the cheese mix.
• Low 4–5 hours is the window. Longer turns noodles to mush.
• Sauce first on the bottom so noodles don’t weld to the insert.

Recipe at a Glance

Prep: 25 minutes  ·  Cook: 4–5 hours on low  ·  Total: about 5 hours  ·  Servings: 6–7  ·  Difficulty: easy assembly  ·  Method: skillet + slow cooker

Ingredients 🛒

• ½ pound lean ground beef
• ½ pound Italian sausage, casings removed
• 1 large onion, chopped
• 1½ teaspoons kosher salt
• ½ teaspoon black pepper
• 1 teaspoon Italian seasoning
• 2 tablespoons dried parsley
• 2 teaspoons garlic powder
• 2 tablespoons Worcestershire sauce
• 1 (6-ounce) can tomato paste
• 29 ounces tomato sauce (two 15-ounce cans is close)
• 2 tablespoons sugar
• 1¼ cups water
• 8 ounces lasagna noodles, uncooked (regular, not the tiny soup scraps)
• 4 cups shredded mozzarella
• 1½ cups cottage cheese or ricotta
• ½ cup grated Parmesan

Regular lasagna noodles, dry. They need the sauce liquid. Oven-ready no-boil can work if the sauce is wet; extra-dry sauce + no-boil is cardboard. Don’t boil first or they’ll collapse.

1¼ cups water is in the sauce on purpose. Skip it and the noodles steal every drop and the top layer stays crunchy.

Cottage cheese vs ricotta: cottage is the dest mix and slices a little looser. Ricotta is denser. Drain wet cottage if it’s sitting in a puddle.

If you wanted a bowl of broken noodles, that’s creamy lasagna soup — don’t dump these sheets into soup. The oven 9×13 is already linked above.

Equipment

A 6-quart oval slow cooker. A round 4-quart is a noodle traffic jam. A skillet for the meat. Spray the insert.

How to Make It 👩‍🍳

Skillet, medium-high. Beef, sausage, and onion until no pink. Drain fat. Stir in salt, pepper, Italian seasoning, parsley, garlic powder, Worcestershire, tomato paste, tomato sauce, sugar, and water. Simmer 15–20 minutes so the paste isn’t a raw tin-can lump.

Mix mozzarella, cottage cheese, and Parmesan in a bowl.

Sauce on the cooker bottom (about a fourth). Noodles broken to fit, one layer, not a stack of dry pasta. A third of the cheese mix. Repeat twice: sauce, noodles, cheese. Finish with remaining sauce. Extra mozzarella on top if you have it.

Lid. Low 4–5 hours until a noodle in the center is tender, not chalky. High is riskier — check at 2½–3 hours. Don’t cook it while you’re gone for 9 hours. Edges dry, middle mush.

Turn off. Rest 15–20 minutes with the lid cracked so you can scoop a square instead of lasagna lava.

Why the Technique Works

Uncooked noodles need wet sauce and steam. That’s why the water is in the pot, not because we wanted soup. A jar of thick paste and no water is a dry top layer.

Low 4–5 hours matches 8 ounces of dry pasta in a 6-quart. Classic oven lasagna is a different clock. Don’t use the oven’s 45 minutes here.

Breaking noodles to fit leaves shards. That’s fine. Overlapping them in a wad leaves raw pockets.

Sausage plus beef is flavor. All beef works; drain it. Two pounds of meat is a meat pie — this recipe is one pound total.

Cooking Tips

Don’t lift the lid every 20 minutes. Do lift it when you’re in the 4-hour window to check a noodle.

Spray the insert. Cheese and tomato glue.

Variations and Substitutions

All sausage or all beef: same weight.

No cottage: ricotta, same amount.

Spinach: a few handfuls squeezed dry in the cheese mix. Wet spinach waters the cooker.

Gluten-free noodles: they overcook fast. Check early. Still not the oven recipe.

Serving Suggestions

Salad. That’s enough. Don’t add a garlic-bread tutorial.

Storage, Freezing & Reheating

Fridge 4 days. Reheat 325°F covered or microwave a square with a damp towel.

Freeze cooked squares up to 3 months. Thaw in the fridge. Sauce can be made ahead and frozen; assemble after thaw. Don’t freeze, thaw, refreeze.

Troubleshooting

Crunchy noodles: not enough sauce/water, or not enough time. Keep cooking. Next time, sauce every layer.

Mush: 8 hours on low, or you boiled the noodles first.

Watery: didn’t rest, or extra water. Rest 20 minutes.

Burnt edges: small cooker, high heat. 6-quart, low.

Greasy: didn’t drain the meat.

FAQ

Regular or no-boil noodles?

Regular dry is this method. No-boil needs a wetter sauce. Don’t mix.

Can I cook it on high?

You can try 2½–3 hours and check the center noodle. Low is more even.

Is this the oven lasagna?

No. Different URL, different heat.

Do I have to simmer the sauce 20 minutes?

It knocks the tin taste off the paste. A good jar marinara plus the meat is a shortcut — still add a splash of water for the noodles.

What size cooker?

6-quart. Smaller overflows or cooks unevenly.

Nutrition, Allergens & Dietary Notes

Approx, per 1 of 7 servings:

• Calories: 550–650
• Protein: 35–42 g
• Carbs: 40–48 g
• Fat: 28–36 g

Contains: wheat, dairy, beef, pork (sausage), Worcestershire (anchovy in many brands). High sodium. Not gluten-free. Don’t call it the oven classic.

Final Thoughts

Brown the meat, wet sauce, uncooked noodles, low 4–5 hours, rest. If you wanted the oven pan, that’s the other lasagna.