Easy Ratatouille Lasagna Recipe
Ratatouille Lasagna turns plenty of tender vegetables into a hearty, cheesy baked pasta dinner. Layers of pasta, rich vegetable sauce, creamy ricotta, and melted mozzarella make this a satisfying meatless meal. It’s a great way to use summer vegetables while still enjoying all the comfort of homemade lasagna.
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Why You’ll Love This Recipe
I cook the eggplant, zucchini, and squash before assembling the lasagna so they soften and release moisture. Simmering them with crushed tomatoes and herbs also gives you a thick, flavorful sauce instead of watery vegetable layers.
The ricotta mixture adds a creamy layer between the pasta and vegetables, while mozzarella gives the top that classic bubbly finish. I also let the finished lasagna rest before slicing so those layers have time to settle and hold together.
Love baked pasta? Also try my Lasagna with Cottage Cheese, Bacon Cheeseburger Casserole, and Baked Ziti with White Alfredo Sauce. They all come together in one dish and make crowd-pleasing dinners any night of the week.
Ingredients
- Lasagna Noodles: Traditional lasagna noodles give you sturdy layers between the vegetables and cheese. Cook them until tender, then assemble.
- Olive Oil: A little olive oil gets the vegetables started and keeps them from sticking to the skillet.
- Eggplant: Diced eggplant becomes tender as it cooks and adds plenty of substance to the vegetable sauce.
- Zucchini: Zucchini has a mild flavor that works especially well with the tomatoes and Italian herbs.
- Yellow Squash: Yellow squash adds another layer of vegetables and a little extra color.
- Red Bell Pepper: Diced bell pepper adds a mild sweetness to balance the tomato sauce.
- Yellow Onion: Onion builds the savory base of the vegetable mixture.
- Garlic: Fresh minced garlic goes in after the vegetables have softened so it doesn’t burn.
- Crushed Tomatoes: These create the tomato base while keeping enough texture for a hearty vegetable sauce.
- Tomato Paste: Tomato paste deepens the tomato flavor and helps thicken the sauce.
- Dried Basil: Basil adds familiar Italian flavor throughout the sauce.
- Dried Oregano: Oregano pairs nicely with the tomatoes, vegetables, and cheese.
- Dried Thyme: A small amount of thyme brings in another herb flavor without overpowering everything else.
- Ricotta Cheese: Ricotta makes the creamy cheese layer between the noodles and vegetable sauce.
- Egg: The egg helps the ricotta mixture hold together after the lasagna bakes.
- Parmesan Cheese: Parmesan adds a salty, savory flavor to the ricotta filling.
- Mozzarella Cheese: Mozzarella melts between the layers and gives the top its cheesy, golden finish.
- Fresh Basil: Sprinkle fresh basil over the finished lasagna for a little color and fresh flavor.
Substitutions and Variations
- Add Mushrooms: Sauté sliced mushrooms with the vegetables for another savory flavor and extra texture.
- Make It Spicy: Add crushed red pepper flakes to the vegetable sauce for a little heat.
- Try Cottage Cheese: Replace the ricotta with cottage cheese if you prefer it or already have it.
- Add Spinach: Stir chopped fresh spinach into the vegetable sauce during the last few minutes of cooking.
- Change the Cheese: Replace some of the mozzarella with provolone or fontina for a different cheesy flavor.
How To Make Ratatouille Lasagna
STEP 1: Preheat the oven to 375°F.
STEP 2: Bring a large pot of salted water to a boil. Cook the lasagna noodles according to package directions until just tender, then drain.
STEP 3: Heat the olive oil in a large skillet over medium heat. Add the onion and red bell pepper.
STEP 4: Cook for 3 to 4 minutes until the vegetables begin to soften.
STEP 5: Add the diced eggplant, zucchini, and yellow squash. Cook for 8 to 10 minutes, stirring occasionally, until they start to soften.
STEP 6: Stir in the minced garlic and cook for about 30 seconds until fragrant.
STEP 7: Add the crushed tomatoes, tomato paste, dried basil, oregano, thyme, salt, and black pepper. Stir everything together.
STEP 8: Let the vegetable sauce simmer for about 10 minutes so the flavors have time to come together.
STEP 9: In a separate bowl, combine the ricotta, egg, and Parmesan. Stir until smooth.
STEP 10: Spread a thin layer of vegetable sauce over the bottom of a greased 9×13-inch baking dish.
STEP 11: Add a layer of lasagna noodles, followed by the ricotta mixture, vegetable sauce, and mozzarella.
STEP 12: Repeat the layers until the ingredients are used, finishing with vegetable sauce and mozzarella on top.
STEP 13: Cover the baking dish with foil and bake for 35 minutes.
STEP 14: Remove the foil and bake for another 15 to 20 minutes until the cheese is melted and lightly browned.
STEP 15: Let the lasagna rest for 10 minutes before slicing. Sprinkle with fresh basil and serve.
Tips for Tasty Ratatouille Lasagna
- Dice the Vegetables Evenly: Similar-sized pieces cook at roughly the same rate and make the finished lasagna easier to slice.
- Give the Vegetables Time to Cook: Letting them soften in the skillet removes moisture and gives the sauce better texture.
- Keep the Noodles Slightly Firm: They continue cooking in the oven, so avoid boiling them until overly soft.
- Use a Thick Vegetable Sauce: Let the sauce simmer before assembling so excess liquid doesn’t make the lasagna watery.
- Let It Rest: Give the baked lasagna 10 minutes before cutting so the layers stay together better.
Common Mistakes to Avoid When Making Ratatouille Pasta
- Adding Raw Vegetables: Eggplant and squash release moisture as they cook, which can leave the finished lasagna watery.
- Crowding the Skillet: Use a large skillet so the vegetables have enough room to soften instead of steaming in their own liquid.
- Using Too Much Sauce: You want enough to keep the pasta moist without drowning the cheese and vegetable layers.
- Skipping the Foil: Covering the lasagna during the first part of baking keeps the top from browning before the center is hot.
- Cutting Immediately: Hot lasagna needs a few minutes to settle, or the layers can slide apart when served.
How to Store and Reheat
- Storage: Cover leftover lasagna and refrigerate for up to 4 days. The flavors continue to develop overnight.
- Freezing: Wrap individual portions or the whole unbaked lasagna tightly in plastic wrap and foil. Freeze for up to 3 months.
- Reheating: Reheat covered portions in a 350°F oven for 20 to 25 minutes. Single portions reheat well in the microwave in 2-minute intervals until heated through.
Serving Suggestions
This ratatouille lasagna is filling on its own, but a few simple sides take it over the top. I love serving it with an Easy Caprese Salad and Homemade Garlic Bread for a complete Italian-inspired dinner. For something sweet, my Cinnamon Roll Cookies are the perfect finish.
FAQs
Yes. Assemble the lasagna, cover tightly, and refrigerate for up to 24 hours before baking. Add 10 minutes to the covered bake time if going straight from the fridge to the oven.
Watery lasagna usually comes from sauce that wasn’t simmered long enough or vegetables that released too much moisture. Let the sauce cook down fully before layering, and make sure the noodles are well drained.
The classic combination is eggplant, zucchini, yellow squash, red bell pepper, and onion. These vegetables have complementary textures and flavors that hold up well through baking.
Yes, this recipe uses regular lasagna noodles boiled until just tender. You can also use no-boil noodles. Add a little extra liquid to the sauce so they soften properly.
More Pasta Recipes
- Try Cajun Sausage Pasta for a smoky, spicy one-pot pasta dish that comes together in under 30 minutes.
- This Asparagus Pasta Salad is a fresh, bright side dish that’s perfect for spring and summer entertaining.
- Crock Pot Taco Pasta is an easy slow cooker dinner loaded with bold Mexican-inspired flavors.
- This Feta Tomato Pasta is the viral baked feta recipe made with pantry staples you already have.
- Artichoke Chicken Pasta with Lemon Cream Sauce is an elegant weeknight dinner that tastes restaurant-worthy with minimal effort.
Final Thoughts
This ratatouille lasagna is one of my favorite baked pasta recipes for when I want something hearty, vegetable-packed, and completely satisfying. I hope you love it as much as I do. Drop a comment below and let me know how it turned out!
Ratatouille Lasagna
Equipment
- 9 x 13-inch baking dish
- Sharp Knife
- Wooden spoon or silicone spatula
- Aluminum Foil
Ingredients
For the Lasagna
- 12 lasagna noodles
- 2 tablespoons olive oil
- 1 medium eggplant diced
- 2 medium zucchini diced
- 1 yellow squash diced
- 1 red bell pepper diced
- 1 yellow onion diced
- 3 cloves garlic minced
- 3 cups shredded mozzarella cheese
- 2 tablespoons chopped fresh basil for garnish
For the Vegetable Sauce
- 28 ounces crushed tomatoes
- 2 tablespoons tomato paste
- 1 teaspoon dried basil
- 1 teaspoon dried oregano
- ½ teaspoon dried thyme
- ½ teaspoon salt
- ¼ teaspoon ground black pepper
For the Ricotta Filling
- 15 ounces ricotta cheese
- 1 large egg
- ½ cup grated Parmesan cheese
Instructions
- Preheat the oven to 375°F. Lightly grease a 9 x 13-inch baking dish.
- Bring a large pot of generously salted water to a boil.
- Add the lasagna noodles and cook according to the package directions until just tender. Drain and set aside.
- Heat the olive oil in a large skillet over medium heat.
- Add the diced onion and red bell pepper. Cook for 3 to 4 minutes, stirring occasionally, until they begin to soften.
- Add the diced eggplant, zucchini, and yellow squash.
- Cook for 8 to 10 minutes, stirring occasionally, until the vegetables begin to soften.
- Add the minced garlic and cook for about 30 seconds, stirring constantly, until fragrant.
- Stir in the crushed tomatoes, tomato paste, dried basil, oregano, thyme, salt, and black pepper.
- Bring the sauce to a gentle simmer and cook for 10 minutes, stirring occasionally, to allow the flavors to combine.
- In a medium mixing bowl, combine the ricotta cheese, egg, and Parmesan cheese. Stir until smooth and evenly combined.
- Spread a thin layer of the vegetable sauce over the bottom of the prepared baking dish.
- Arrange a layer of cooked lasagna noodles over the sauce.
- Spread a portion of the ricotta mixture over the noodles.
- Spoon a layer of vegetable sauce over the ricotta, then sprinkle with shredded mozzarella cheese.
- Repeat the layers of noodles, ricotta filling, vegetable sauce, and mozzarella cheese until the ingredients are used, finishing with vegetable sauce and mozzarella cheese on top.
- Cover the baking dish with aluminum foil.
- Bake for 35 minutes.
- Carefully remove the aluminum foil and return the lasagna to the oven.
- Bake uncovered for another 15 to 20 minutes, or until the sauce is bubbling and the mozzarella cheese is melted and lightly golden.
- Remove the vegetable lasagna from the oven and let it rest for 10 minutes before slicing.
- Sprinkle with chopped fresh basil and serve warm.
Notes
- Use a Deep Baking Dish: A deeper 9×13-inch dish gives you room for all the layers without sauce bubbling over the sides.
- Place the Dish on a Sheet Pan: Setting the lasagna pan on a rimmed sheet pan catches any drips and makes transferring it easier.
- Shred the Mozzarella Yourself: Cheese grated from a block melts more smoothly than many packaged shredded cheeses.
- Spread Thin, Even Layers: Keeping each layer fairly even gives you vegetables, sauce, and cheese in every slice.
- Broil for Extra Browning: If you want a darker cheese top, broil briefly at the end while watching it closely.
Nutrition Information
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