Ravioli Lasagna
Ravioli Lasagna is the kind of cozy, celebratory comfort food that makes weeknight dinners feel special and weekend gatherings effortless. Think of it as a lasagna shortcut that swaps sheets of pasta for pillowy, cheese-filled ravioli—layered with a savory meat sauce, gooey mozzarella, and a sprinkle of Parmesan. The result is rich, bubbly, and irresistible: all the familiar flavors of traditional lasagna with less fuss and a quicker assembly. If you love easy casseroles that deliver big on flavor, this is your new weeknight hero.
Why You’ll Love This Version

This Ravioli Lasagna keeps things simple without skimping on depth. A fragrant base of onion and garlic builds a flavor foundation for Italian-seasoned tomato sauce and browned sausage. Frozen cheese ravioli stand in for lasagna noodles, saving time and providing creamy pockets of cheese in every bite. Topped with generous mozzarella and Parmesan, it bakes into a bubbly, golden-topped casserole that slices effortlessly and feeds a crowd.
Notes on Ingredients
- 1 pound Italian sausage, ground — Choose a mild or sweet version depending on your preference. If you prefer less spice, opt for a sweet Italian sausage. If a plant-based sausage is your choice, use a halal-certified or vegetarian Italian-style sausage alternative that matches 1 pound in weight.
- 1 small onion, diced — About 3/4 cup diced. Yellow or sweet onions both work well.
- 3 cloves garlic, minced — Fresh garlic adds brightness; finely mince to distribute flavor evenly.
- 2 jars pasta sauce (24 ounces each) — Use your favorite jarred marinara or tomato-basil sauce; no need to dilute.
- 2 teaspoons dried Italian seasoning — A blend of oregano, thyme, rosemary, and sage concentrates classic Italian flavors.
- 1/2 teaspoon dried basil — Adds a warm, herbaceous note that pairs beautifully with the cheese.
- 1 pinch red pepper flakes to your tastes — Optional; add more if you like some heat.
- 25-30 ounces regular sized frozen cheese ravioli, thawed slightly — Thaw just enough to separate pieces but keep them cold; this makes layering easier.
- 3 cups mozzarella cheese, shredded — Whole-milk mozzarella melts best for a silky, elastic topping.
- 1/4 cup Parmesan cheese, grated — Use freshly grated for the most flavor on top.
Equipment
- Large skillet or sauté pan
- Wooden spoon or spatula
- 9×13-inch baking dish (or similar sized casserole)
- Aluminum foil
- Cheese grater (if grating fresh Parmesan)
Make-Ahead Tips

You can assemble this Ravioli Lasagna a day ahead and refrigerate it (covered) until ready to bake. If the ravioli absorb sauce and look drier, add a splash of water or extra sauce before baking. For frozen storage, assemble, cover tightly, and freeze for up to 2 months; thaw overnight in the refrigerator before baking and add 10–15 minutes to the bake time if still cold.
Flavor Variations

- Add spinach: Stir 4 cups of fresh spinach into the hot meat sauce until wilted, then assemble.
- Play with cheese: Swap half the mozzarella for provolone or fontina for a more pronounced, melty profile.
- Make it spicy: Increase red pepper flakes or use spicy Italian sausage for more kick.
Step-by-Step Instructions
Follow these clear steps to make the best possible Ravioli Lasagna. I’ve rewritten and organized the method for simplicity and flow, keeping the ingredient amounts exactly as listed above.
- Preheat the oven. Set your oven to 375°F (190°C) so it’s ready once the casserole is assembled.
- Prepare the sausage and aromatics. Heat a large skillet over medium heat. Add the 1 pound of ground Italian sausage to the pan, breaking it apart with a spoon or spatula. Cook, stirring occasionally, until the sausage is fully browned and no pink remains, about 6–8 minutes. If there is excess fat, carefully spoon some off, leaving enough to coat the pan for flavor.
- Add the onion and garlic. Push the browned sausage to the side of the skillet or remove briefly to a plate if the pan is crowded. Add the 1 small diced onion to the skillet and sauté for 4–5 minutes, stirring as needed, until the onion is soft and translucent. Add the 3 cloves minced garlic and cook just 30–60 seconds more, until fragrant—be careful not to let the garlic burn.
- Combine sausage, sauce, and seasonings. Return any set-aside sausage to the pan. Pour in the 2 jars (24 ounces each) of pasta sauce. Stir to combine everything evenly. Sprinkle in 2 teaspoons dried Italian seasoning, 1/2 teaspoon dried basil, and 1 pinch of red pepper flakes (adjust to taste). Stir, bring the mixture to a gentle simmer, and let it cook for 3–5 minutes to meld the flavors. Taste and adjust seasoning if needed.
- Prepare the ravioli. While the sauce simmers, remove the ravioli from the freezer and separate any pieces that are sticking together. Let 25–30 ounces of regular sized frozen cheese ravioli thaw slightly—just enough to make them pliable and easy to layer (a few minutes at room temperature or 10–15 minutes on the counter is usually sufficient). Do not fully thaw until they are room temperature; slight chill helps prevent tearing while handling.
- Assemble the casserole: first layer of sauce. Spoon a thin layer of the meat sauce into the bottom of a 9×13-inch baking dish to prevent sticking and to ensure the bottom layer of ravioli cooks properly.
- Layer ravioli and cheese. Arrange a single layer of the slightly thawed ravioli over the sauce in the baking dish. It’s okay if some ravioli overlap slightly—try to fill the dish without large gaps. Spoon about one-third of the remaining meat sauce over the ravioli, spreading gently to coat. Sprinkle one-third of the 3 cups shredded mozzarella evenly across the sauce layer.
- Repeat layers. Add a second layer of ravioli, pressing them gently into the sauce. Spoon another third of the meat sauce over this layer and sprinkle another third of the mozzarella. If you have extra ravioli, create a third layer following the same pattern, finishing the top with the remaining sauce and mozzarella. The goal is to use all ravioli across two to three layers depending on how many you have (25–30 ounces will typically make two generous layers or three thinner layers).
- Finish with Parmesan and cover. Evenly sprinkle the 1/4 cup grated Parmesan cheese over the final layer of mozzarella and sauce. Cover the baking dish tightly with aluminum foil. This traps steam and helps the ravioli cook through while keeping the cheese from over-browning too soon.
- Bake until bubbly. Place the covered baking dish in the preheated oven and bake for 25–30 minutes. After this initial bake, remove the foil and continue to bake for an additional 10–12 minutes, or until the cheese on top is melted, bubbly, and lightly golden.
- Rest and serve. Remove the dish from the oven and let it rest for 5–10 minutes before slicing. This short rest helps the layers set so your squares hold together when served. Garnish with a little extra grated Parmesan or a sprinkle of dried basil if desired.
Serving Suggestions
Serve your Ravioli Lasagna with a crisp green salad and a tangy vinaigrette for balance. Garlic bread or buttery dinner rolls make great accompaniments for soaking up any extra sauce. Leftovers reheat beautifully in the oven at 350°F (175°C) for 10–15 minutes or in the microwave for individual portions.
Storage
- Refrigerate: Store cooled leftovers in an airtight container for up to 3 days.
- Freeze: Freeze portions in freezer-safe containers for up to 2 months. Thaw overnight before reheating.
- Reheat: For best texture, reheat in a 350°F (175°C) oven until warmed through; microwave reheating works well for single portions.
Final Thoughts
This Ravioli Lasagna is proof that delicious, crowd-pleasing dinners don’t need to be complicated. With simple pantry ingredients and a straightforward assembly, you get all the satisfaction of a classic lasagna in less time and with less work. Try it for a busy weeknight or an easy Sunday dinner—the leftovers are just as good for lunches the next day. Happy cooking!

Ravioli Lasagna
Ingredients
Equipment
Method
- Preheat the oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish with non-stick spray and set aside.
- In a large skillet over medium heat, cook the ground Italian sausage and diced onion until the sausage is browned and onion is softened, about 6–8 minutes. Drain excess fat if needed.
- Add the minced garlic to the skillet and cook 1–2 minutes until fragrant. Stir in the pasta sauce, dried Italian seasoning, dried basil, and red pepper flakes; bring to a simmer.
- Spoon 1 1/2 cups of the sauce mixture evenly over the bottom of the prepared baking dish.
- Arrange half of the ravioli in a single layer over the sauce. Spread 1 1/2 cups of sauce over the ravioli, then sprinkle with 1 1/2 cups shredded mozzarella and about 2 tablespoons (1/8 cup) grated Parmesan.
- Top with the remaining ravioli, spread the remaining sauce over them, and finish with the remaining 1 1/2 cups mozzarella and the remaining Parmesan.
- Cover the dish tightly with foil and bake for 30 minutes. Remove the foil and bake an additional 25 minutes, or until heated through and the cheese is bubbly and lightly golden.
- Let the casserole rest 5 minutes before slicing and serving.
Notes
- Thaw ravioli slightly for easier layering.
- Drain excess sausage fat if there is a lot to avoid a greasy sauce.
- Use pre-shredded mozzarella to save time.
- Adjust red pepper flakes to control spiciness.
