Slow-Cooker Ravioli Lasagna for Weeknight Dinners

Crockpot ravioli lasagna gives you all the comforting, cheesy layers of traditional lasagna with minimal effort. With just four main ingredients—frozen ravioli, ground Italian sausage, jarred pasta sauce and shredded mozzarella—you skip boiling noodles and building layers, yet still end up with a warm, saucy, hearty dinner your family will love.

Cheesy crockpot ravioli lasagna topped with basil with a wooden spoon.

Think of this as a lazy lasagna made in the slow cooker. The frozen ravioli replaces both the pasta and the ricotta-style filling in a traditional lasagna, so there’s no layering or special cheeses to prepare. Browning the sausage quickly on the stove builds flavor, then the slow cooker finishes the rest of the work while you get on with your day.

Why You’ll Love This Recipe

Four simple ingredients. Frozen ravioli, sausage, sauce and cheese make planning and shopping easy.
Minimal hands-on time. Brown the sausage, stir everything together, and let the slow cooker do the rest.
Comfort food made easy. Cheesy, saucy, and filling—perfect for weeknights.
Make-ahead and freezer-friendly. Prepare in advance or freeze leftovers for a quick meal later.

Ingredients

Below are ingredient notes and simple substitutions. Exact measurements and full instructions are provided in the recipe section.

Shredded mozzarella, jarred pasta sauce, frozen ravioli, and ground Italian sausage arranged in bowls on a marble counter.

Ground Italian sausage — Adds plenty of seasoning. Swap for ground beef or turkey if you prefer a milder flavor.
Jarred pasta sauce — Use your favorite marinara or spaghetti sauce. A basil-garlic variety works especially well.
Frozen ravioli — Cheese ravioli is classic here, but spinach, beef or other fillings are fine.
Shredded mozzarella — Stirred on top at the end for a melty finish.
Fresh basil — Optional garnish for color and brightness.

Slow Cooker Tip

Use a 6-quart slow cooker if you have one. A model with a timer and a warm setting is handy when dinner needs to wait until everyone gets home. If you don’t have a slow cooker, the instructions include an easy oven alternative.

How to Make Slow Cooker Lasagna with Ravioli

Follow these straightforward steps; the method is quick and forgiving, perfect for busy schedules.

Brown the sausage: In a large skillet over medium heat, cook 1 lb ground Italian sausage, breaking it up until no pink remains. Drain off any excess grease.
Combine sausage and sauce: Spray the slow cooker lightly with nonstick spray. Add the browned sausage and 1 (24 oz) jar pasta sauce to the slow cooker and stir to combine.
Add the ravioli: Pour in 1 (48 oz) bag frozen ravioli and stir gently so the pasta is coated in sauce.
Cook: Cover and cook on HIGH for about 2 hours or LOW for about 5 hours, until the ravioli is tender and heated through. Check at the shorter time to avoid overcooking.
Melt the cheese: Sprinkle 2 cups shredded mozzarella over the top, cover again, and cook for another 8–12 minutes until the cheese melts.
Garnish and serve: Top with fresh basil if desired and serve warm.

Four steps in a white slow cooker: browned sausage with sauce, ravioli stirred in, shredded cheese on top, and the melted cheesy finish.

Serving Suggestions

This dish is hearty on its own, but it pairs beautifully with garlic bread or a simple green salad to balance the richness. Roasted or steamed vegetables are an easy way to round out the meal.

Storage

Cool leftovers, then store in an airtight container in the refrigerator for up to 3 days. To freeze, cool completely and transfer to a freezer-safe bag or container for up to 3 months; thaw in the fridge before reheating. Reheat single portions in the microwave for 2–3 minutes, or warm a larger amount in a covered skillet over medium heat until hot, adding a splash of sauce if it seems dry.

Overhead view of a wooden spoon in a slow cooker full of cheesy ravioli topped with basil.

Tips for the Best Ravioli Lasagna

Keep the ravioli frozen until you add it—thawed pasta can clump and tear when stirred.
Always brown and drain the sausage first to concentrate flavor and remove excess fat.
Add the cheese at the end so it melts nicely without overcooking.
Check doneness early—ravioli can become mushy if cooked too long.

Additions and Variations

Spicy: Use hot Italian sausage or add red pepper flakes.
Extra cheese: Stir in grated Parmesan or a bit of ricotta for creaminess.
More flavor: Add a teaspoon of Italian seasoning or a clove of minced garlic to the sauce.
Oven option: If you don’t have a slow cooker, layer ingredients in a 9×13 baking dish, cover with foil, and bake at 350°F for about 30 minutes (thaw ravioli first).

Crockpot ravioli lasagna in a white bowl topped with melted mozzarella and chopped fresh basil.

Quick Recipe Summary

Serves: 8. Prep: 5 minutes. Cook: 2 hours on high or 5 hours on low. Ingredients: 1 lb ground Italian sausage, 1 (24 oz) jar pasta sauce, 1 (48 oz) bag frozen ravioli, 2 cups shredded mozzarella, fresh basil for garnish (optional). Brown the sausage, combine everything in the slow cooker, cook until ravioli is tender, top with mozzarella and melt. Enjoy a no-fuss, comforting lasagna-style meal.